12 Easy Squash Casserole Recipes for Potlucks 2026

Easy squash casserole recipes for potlucks need to do three things well: feed a crowd from one pan, travel without turning to mush, and taste good cold at 2pm on a buffet table. The twelve below do all three, and every one has a stated yield so you can size the dish to your headcount instead of guessing.

They range from the mild, kid-proof classics to a sweet holiday version with cranberries and pecans, plus a few meaty ones that work as the main event. I cook from the summer garden in July and lean on the frozen and butternut options from November through February, so this list covers both ends of the year.

Easy Squash Casserole Recipes for Potlucks at a Glance

Recipe	Time	Difficulty	Best for
Classic Zucchini and Summer Squash Casserole	55 min	Easy	Mixed-age crowd, picky eaters
Butternut Squash and Turkey Casserole	1 hr 5 min	Easy	Hearty fall main
Creamy Spaghetti Squash Alfredo Casserole	50 min	Easy	Pasta lovers, light side
Acorn Squash, Cranberry, and Brown Sugar Casserole	1 hr	Easy	Thanksgiving and holiday tables
Delicata Squash Casserole with Maple and Pecans	50 min	Easy	Gluten-free fall gathering
Yellow Squash, Broccoli, and Cheddar Casserole	1 hr	Easy	Vegetable-forward side
Zucchini Cheddar Casserole	1 hr 10 min	Medium	Small batch, brunch table
Butternut Squash and Sweet Potato Casserole	1 hr 15 min	Easy	Dessert-adjacent holiday side
Hubbard Squash, Ham, and Cheddar Casserole	1 hr 20 min	Medium	Sunday dinner main
Squash Florentine Casserole	55 min	Medium	Elegant vegetarian side
Mexican Street Corn Squash Casserole	45 min	Easy	Interactive buffet, mild heat
Buffalo Chicken Squash Casserole	55 min	Easy	Game-day table

Choosing the Right Casserole for Your Potluck

Mild and cheesy is the safe default. If you are feeding a table with small children, a vegetarian guest, and someone who eats everything, the Classic Zucchini and Summer Squash Casserole at number one is the least risky pick of the twelve.

Meaty dishes like the turkey, ham, and Buffalo chicken versions hold up better as the only main, so cook those when the potluck is dinner rather than a buffet of sides. The sweet squash bakes and the Maple and Pecan recipes belong in the fall, when people expect cranberries and brown sugar on the table.

Also plan around your schedule. If you bake the morning of, anything works. If you assemble the night before, skip the crunchy topping until the pan goes into the oven, or it will soften overnight.

1. Classic Zucchini and Summer Squash Casserole

This is the safe first casserole to make for a potluck, because almost nobody dislikes it. Zucchini and yellow squash bake down soft, the cheddar sauce sets into something creamy, and the herb topping browns without needing any special technique.

Yield: 10 servings · Prep: 20 min · Cook: 35 min · Total: 55 min · Difficulty: Easy

Ingredients

• 3 medium zucchini, about 1.5 pounds, sliced 1/4 inch thick
• 3 medium yellow squash, about 1.5 pounds, sliced 1/4 inch thick
• 1 medium yellow onion, diced (about 1 cup)
• 2 tablespoons unsalted butter
• 1 teaspoon garlic salt
• 1/2 teaspoon black pepper
• 2 cups (8 ounces) shredded sharp cheddar cheese
• 1 cup (8 ounces) sour cream
• 1/2 cup mayonnaise
• 2 large eggs
• 3/4 cup panko breadcrumbs
• 2 tablespoons chopped fresh parsley or dill

Instructions

1. Heat the oven to 350°F (177°C) and butter a 9-by-13-inch baking dish.
2. Layer the zucchini, yellow squash, and onion in the dish. Season with garlic salt and pepper.
3. Drizzle 1 tablespoon of the butter over the top and cover with foil.
4. Bake for 15 minutes, until the squash slices look glossy and slightly softened.
5. Whisk the sour cream, mayonnaise, eggs, and 1 1/2 cups of the cheddar in a bowl.
6. Pour the egg mixture evenly over the squash and push it down into the gaps with a spatula.
7. Scatter the remaining 1/2 cup of cheese over the surface, then the panko and parsley.
8. Drizzle with the last tablespoon of butter.
9. Bake uncovered for 20 minutes, until the top is golden brown and the center is set, not liquid.
10. Rest for 10 minutes before cutting into squares so the slices hold together.

Tip: Pat the sliced squash dry with paper towels before it goes in the dish. Salting the raw slices and waiting 15 minutes pulls out extra water and gives you a noticeably tighter casserole.

Swap it: Use two cups of Colby Jack or a mild Italian blend instead of sharp cheddar for a milder, creamier result. Breadcrumbs can be swapped for crushed butter crackers, which is the older Southern way.

Storage: Refrigerate in a covered dish for 3 to 4 days. Assemble the night before but hold back the panko until morning. Freezes unbaked for up to 3 months; add the topping after thawing in the fridge overnight.

If you need a second savory side to carry, our vintage casserole recipe ideas have the same crowd-feeding logic.

2. Butternut Squash and Turkey Casserole

Roasted butternut brings a natural sweetness that plays well with ground turkey and rice. It bakes into a filling main that holds its shape when you scoop it, which matters more than it sounds when you are serving it from a foil pan.

Yield: 8 servings · Prep: 20 min · Cook: 45 min · Total: 1 hr 5 min · Difficulty: Easy

Ingredients

• 1 tablespoon olive oil
• 3 cups butternut squash, peeled and cut into 1-inch cubes
• 1 pound ground turkey
• 1 small onion, diced
• 2 cloves garlic, minced
• 1 teaspoon chili powder
• 1/2 teaspoon ground cumin
• 1/4 teaspoon salt
• 1 1/2 cups cooked long-grain rice
• 1 cup frozen peas, thawed
• 1 1/2 cups shredded cheddar cheese, divided
• 1/3 cup sour cream

Instructions

1. Heat the oven to 400°F (204°C) and toss the squash cubes with the olive oil and half the chili powder.
2. Roast the squash on a lined sheet pan for 20 minutes, until the edges caramelize.
3. Brown the turkey in a skillet over medium-high heat, breaking it up, for 6 to 8 minutes.
4. Add the onion and garlic to the skillet and cook until the onion softens, about 3 minutes.
5. Stir in the remaining chili powder, the cumin, and the salt.
6. Lower the skillet to a gentle simmer, cover, and cook the turkey for 15 minutes so the center reaches 160°F (71°C).
7. Lower the oven to 350°F (177°C).
8. Spread the rice and peas in a 9-by-13-inch baking dish and top with the roasted squash and the turkey mixture.
9. Stir the sour cream into 1 cup of the cheese, then spoon it over the top and scatter on the rest of the cheese.
10. Bake for 15 minutes, until the cheese is melted and the edges are bubbling.
11. Rest for 10 minutes so the rice sets before serving.

Tip: Check the turkey with an instant-read thermometer in the thickest part of the pan. It should read 160°F (71°C) after the simmer, and the texture should be firm rather than pink and wet.

Swap it: Ground chicken works in place of the turkey. For a gluten-free version, swap the rice for cauliflower rice and skip the sour cream.

Storage: Keeps 3 to 4 days in the fridge. This one reheats better than most, so it is a good choice for a dish that gets made two days early. Freezes up to 3 months.

3. Creamy Spaghetti Squash Alfredo Casserole

Spaghetti squash bakes into strands that behave a lot like pasta, so this casserole gives you a creamy, cheesy side that feels indulgent without being heavy. It is the one I make when the crowd is vegetarian and I do not want to spend an hour on the stove.

Yield: 8 servings · Prep: 15 min · Cook: 35 min · Total: 50 min · Difficulty: Easy

Ingredients

• 1 spaghetti squash, about 2 pounds
• 1 tablespoon olive oil
• 1/2 teaspoon salt
• 1/4 teaspoon black pepper
• 1 1/2 cups shredded mozzarella cheese
• 1/2 cup grated Parmesan cheese
• 1 cup heavy cream
• 1/2 cup milk
• 2 cloves garlic, minced
• 1 cup frozen peas
• 2 cups fresh spinach leaves

Instructions

1. Heat the oven to 375°F (191°C).
2. Cut the spaghetti squash in half lengthwise and scoop out the seeds with a spoon.
3. Rub the cut faces with the olive oil and season with the salt and pepper.
4. Place the halves cut side down on a lined sheet pan and roast for 20 minutes, until a fork slides into the flesh with no resistance.
5. Let the squash cool for 5 minutes, then scrape the strands into a large bowl, discarding the shells.
6. While the oven is on, stir the garlic into the cream and milk and warm it in a small saucepan until steaming, about 3 minutes.
7. Add the spinach and peas to the bowl of squash and pour in the warm cream mixture.
8. Fold in 1 cup of the mozzarella and the Parmesan, then transfer everything to a round 2-quart baking dish.
9. Top with the remaining 1/2 cup of mozzarella.
10. Bake for 20 minutes, until the top is bubbling and lightly browned at the edges.
11. Finish with a few grinds of black pepper and let it stand 5 minutes before serving.

Tip: Let the roasted squash halves cool before scraping. Handling them hot burns your fingers and the strands tear instead of lifting cleanly.

Swap it: Half-and-half works instead of the cream-and-milk mix if you want a lighter sauce. A cup of cooked chopped chicken or chopped bacon turns this into a main.

Storage: Refrigerate 3 to 4 days. The Alfredo sauce tightens in the fridge, so loosen leftovers with a splash of milk when reheating. Freezes poorly in texture, so plan on fridge storage for this one.

4. Acorn Squash, Cranberry, and Brown Sugar Casserole

Sweet acorn squash, tart cranberries, and toasted pecans make this the most dessert-adjacent casserole in the list. It is the dish I bring when the table includes people who do not consider a side dish to be dinner food.

Yield: 10 servings · Prep: 20 min · Cook: 40 min · Total: 1 hr · Difficulty: Easy

Ingredients

• 1 large acorn squash, about 2 pounds, cut into 1/2-inch rings and seeds removed
• 2 tablespoons unsalted butter
• 1/3 cup packed light brown sugar
• 1/4 cup pure maple syrup
• 1 teaspoon ground cinnamon
• 1/4 teaspoon ground nutmeg
• 1/4 teaspoon salt
• 1 cup whole cranberries
• 1/2 cup chopped pecans
• 1/4 cup packed brown sugar, for the top
• 1 tablespoon unsalted butter, melted, for the top

Instructions

1. Heat the oven to 350°F (177°C) and line a 9-by-13-inch baking dish with parchment.
2. Arrange the acorn squash rings in overlapping rows in the dish.
3. Melt the 2 tablespoons of butter and drizzle it over the squash, then sprinkle with the 1/3 cup brown sugar.
4. Whisk the maple syrup, cinnamon, nutmeg, and salt together and drizzle the mixture over the top.
5. Cover the dish with foil and bake for 25 minutes, until the squash is tender when pierced with a knife.
6. Scatter the cranberries and chopped pecans over the squash.
7. Sprinkle the remaining 1/4 cup brown sugar over the top and drizzle with the melted butter.
8. Bake uncovered for 15 minutes, until the berries burst and the edges caramelize.
9. Rest for 10 minutes so the syrup thickens before serving.

Tip: Bake the rings covered first. Uncovered, the sugar in this dish burns to a dark crust long before the thick squash rings soften through.

Swap it: Craisins work in place of fresh cranberries, though they are sweeter, so drop the brown sugar by a tablespoon. Pumpkin and butternut are both good stand-ins for acorn.

Storage: Keeps 4 days covered in the fridge, and the flavor is actually better on day two. Freezes well unbaked for up to 3 months; add the pecan and brown sugar topping after thawing.

5. Delicata Squash Casserole with Maple and Pecans

Delicata squash has edible skin and cooks fast, which makes it the easiest of the fall squashes to get right. Thin rounds caramelize rather than steam, so you get a lightly crisp top and a tender center in a single bake.

Yield: 8 servings · Prep: 10 min · Cook: 40 min · Total: 50 min · Difficulty: Easy

Ingredients

• 3 medium delicata squash, about 2 pounds, sliced into 1/4-inch rounds
• 2 tablespoons olive oil
• 1/2 teaspoon salt
• 1/4 cup pure maple syrup
• 2 tablespoons unsalted butter, melted
• 1 teaspoon ground cinnamon
• 1/4 teaspoon ground ginger
• 1/2 cup chopped pecans
• 1/4 cup rolled oats

Instructions

1. Heat the oven to 400°F (204°C) and line a 9-by-13-inch baking dish with parchment paper.
2. Toss the squash rounds with the olive oil, the salt, and half the cinnamon.
3. Fan the rounds in overlapping rows in the dish.
4. Whisk the maple syrup, melted butter, remaining cinnamon, and the ginger together and drizzle it over the squash.
5. Scatter the pecans and rolled oats across the top.
6. Bake for 20 minutes, then flip the pan and rotate the dish 180 degrees.
7. Bake for another 18 to 20 minutes, until the rounds are browned at the edges and a knife slides through the thickest one without resistance.
8. Rest for 8 minutes so the maple glaze sets before you cut it into squares.

Tip: The halfway flip is what keeps this dish from being top-burnt and bottom-raw. If the nuts are coloring quickly in the first 20 minutes, tent the dish loosely with foil.

Swap it: This recipe is naturally gluten-free; the rolled oats are there for texture and can be replaced with more pecans. Butternut squash is a good substitute and needs about 10 minutes more baking.

Storage: Keeps 3 to 4 days in the fridge. Contains pecans, so label the dish if you are taking it to a table with nut allergies. Freezes up to 3 months without the pecan topping.

Allergen note: tree nuts (pecans), and check your rolled oats are certified gluten-free if that matters at your gathering.

6. Yellow Squash, Broccoli, and Cheddar Casserole

Broccoli gives this casserole more substance than the plain squash versions, so it holds up as a proper side next to a big piece of meat. The breadcrumb topping turns golden in the same bake that softens the squash, which keeps the timing simple.

Yield: 8 servings · Prep: 20 min · Cook: 40 min · Total: 1 hr · Difficulty: Easy

Ingredients

• 1 tablespoon olive oil
• 4 cups broccoli florets, about 12 ounces
• 1/2 teaspoon salt
• 4 medium yellow squash, about 2 pounds, sliced 1/4 inch thick
• 1 small onion, thinly sliced
• 1 teaspoon garlic powder
• 2 cups (8 ounces) shredded sharp cheddar cheese
• 1 cup milk
• 2 large eggs
• 3/4 cup panko breadcrumbs
• 2 tablespoons butter, melted

Instructions

1. Heat the oven to 375°F (191°C) and lightly oil a 9-by-13-inch baking dish.
2. Toss the broccoli florets with 1 tablespoon of olive oil and the salt and roast for 8 minutes.
3. Whisk the eggs, milk, garlic powder, and 1 1/2 cups of the cheddar together in a bowl.
4. Layer the yellow squash and onion in the baking dish.
5. Spread the roasted broccoli over the squash and pour the egg mixture on top, pushing it down between the slices.
6. Scatter the remaining 1/2 cup of cheese over the surface.
7. Combine the panko with the melted butter and scatter it evenly over the dish.
8. Bake for 30 minutes, until the crumb topping is deep golden and the center is set when you nudge the edge of the dish.
9. Rest for 10 minutes before cutting into squares.

Tip: Roasting the broccoli separately for 8 minutes keeps it green. Added raw, it turns olive-drab in the 40-minute bake.

Swap it: Two cups of shredded zucchini or half a bag of frozen broccoli works. Swiss and Gruyere in place of half the cheddar gives it a nuttier, more grown-up flavor.

Storage: Refrigerate 3 to 4 days. Assembles well the night before; add the panko just before baking. Freezes unbaked for up to 3 months.

Our easy ground beef casserole recipes follow a similar one-pan logic if you need a main alongside it.

7. Zucchini Cheddar Casserole

This is the streamlined version with a short ingredient list, built on a sour cream and egg base that sets into a sliceable, custardy texture. It does a 2-quart dish, which makes it the practical pick for a smaller potluck or a weekend brunch.

Yield: 6 servings · Prep: 15 min · Cook: 55 min · Total: 1 hr 10 min · Difficulty: Medium

Ingredients

• 6 medium zucchini, about 3 pounds, sliced 1/4 inch thick
• 1 teaspoon salt
• 1/2 teaspoon black pepper
• 1/2 cup sour cream or plain Greek yogurt
• 2 large eggs
• 2 cups (8 ounces) shredded sharp cheddar cheese
• 1/2 cup grated Parmesan cheese
• 1/2 cup panko breadcrumbs
• 1 tablespoon butter, melted

Instructions

1. Spread the zucchini slices on a large plate or baking sheet, sprinkle with the salt, and leave for 20 minutes.
2. Blot the zucchini thoroughly with paper towels. This step decides how the finished dish turns out.
3. Heat the oven to 350°F (177°C) and butter a 2-quart baking dish.
4. Arrange the zucchini in overlapping layers in the dish and season with the black pepper.
5. Whisk the sour cream, eggs, 1 1/2 cups of the cheddar, and the Parmesan together and pour it evenly over the zucchini.
6. Press the mixture down gently with a spatula so it settles into the gaps.
7. Scatter the remaining 1/2 cup of cheddar over the top, followed by the panko and the melted butter.
8. Bake for 45 minutes, until the top is golden brown and the center has set.
9. Test the middle with a knife. It should come out clean, and the egg set should look firm, not glossy or runny.
10. Cool for 10 minutes before cutting, so the custard finishes setting.

Tip: Salting and drying the zucchini is not optional. Skipping the salting is the single reason most squash casseroles turn watery in the middle.

Swap it: Plain Greek yogurt works in place of sour cream for a lighter result. Adding a teaspoon of Dijon mustard to the egg mixture makes it taste more grown-up without changing the texture.

Storage: Best within 3 days, and it keeps well because of the egg base. It is a good candidate for freezing, either unbaked or after baking, for up to 3 months.

8. Butternut Squash and Sweet Potato Casserole

Two orange vegetables in one dish sounds like a lot until you taste it. The sweet potato adds body and moisture while the butternut brings the squash flavor, and the pecan and oat topping gives it the texture people expect from a holiday bake.

Yield: 10 servings · Prep: 20 min · Cook: 55 min · Total: 1 hr 15 min · Difficulty: Easy

Ingredients

• 3 cups butternut squash, peeled and cut into 1/2-inch slices
• 2 large sweet potatoes, about 1.5 pounds, peeled and cut into 1/2-inch slices
• 3 tablespoons melted unsalted butter
• 1/4 cup pure maple syrup
• 2 tablespoons light brown sugar
• 1 teaspoon ground cinnamon
• 1 teaspoon ground ginger
• 1/2 teaspoon ground nutmeg
• 1/4 teaspoon salt
• 1/2 cup chopped pecans
• 1/2 cup rolled oats
• 1/4 cup milk, for serving

Instructions

1. Heat the oven to 350°F (177°C) and line a 9-by-13-inch baking dish with parchment.
2. Arrange the butternut and sweet potato slices in alternating rows in the dish.
3. Drizzle the slices with 2 tablespoons of the melted butter.
4. Whisk the maple syrup, brown sugar, cinnamon, ginger, nutmeg, and salt together, then drizzle the mixture over the top.
5. Cover with foil and bake for 30 minutes, until the slices are almost tender.
6. Remove the foil and sprinkle the pecans and rolled oats over the surface.
7. Drizzle with the remaining tablespoon of melted butter.
8. Bake uncovered for 20 to 25 minutes, until the edges are browned and the topping is toasted.
9. Rest for 10 minutes before serving, with a small pitcher of milk alongside.

Tip: Alternate the slices rather than layering one vegetable on top of the other. Even rows mean every forkful has both, and the casserole cooks at a single rate.

Swap it: Pureed butternut mixed with cubed sweet potato is faster to assemble. For a nut-free table, swap the pecans for extra rolled oats and add sunflower seeds for crunch.

Storage: Keeps 4 days covered in the fridge and reheats well in a microwave or at 350°F (177°C). Freezes up to 3 months. Contains tree nuts; the oats may need to be gluten-certified.

9. Hubbard Squash, Ham, and Cheddar Casserole

Hubbard squash is mild and meaty enough that it works as the main rather than the side. This one is built for a Sunday dinner or a cold-weather gathering where people expect something substantial in the middle of the table.

Yield: 8 servings · Prep: 25 min · Cook: 55 min · Total: 1 hr 20 min · Difficulty: Medium

Ingredients

• 2 pounds peeled hubbard squash, cut into 1-inch cubes
• 1 tablespoon olive oil
• 1/2 teaspoon salt
• 1 cup diced onion
• 1 tablespoon butter
• 1 tablespoon Dijon mustard
• 2 cups (8 ounces) chopped cooked ham
• 1 1/2 cups shredded sharp cheddar cheese
• 1 cup whole milk
• 1 cup heavy cream
• 1/4 teaspoon black pepper
• 1/4 cup chopped fresh parsley

Instructions

1. Heat the oven to 375°F (191°C) and oil a 9-by-13-inch baking dish.
2. Toss the squash cubes with the olive oil and salt and spread them on a lined sheet pan.
3. Roast the squash for 25 minutes, turning once, until the edges start to color.
4. Meanwhile, melt the butter in a skillet and soften the onion for 5 minutes.
5. Stir the Dijon mustard into the onion and remove from the heat.
6. Layer half the roasted squash in the baking dish, then the onion and mustard mixture, then the ham and 1 cup of the cheese.
7. Repeat with the remaining squash and cheese.
8. Pour the milk and cream over the top and season with the black pepper.
9. If the ham is freshly cooked rather than leftover, bring it to 145°F (63°C) before it goes in the dish.
10. Cover with foil and bake for 25 minutes, then uncover and bake for 10 more minutes, until the top is bubbling and lightly browned.
11. Scatter the parsley over the top and rest for 10 minutes before serving.

Tip: Roasting the squash separately instead of boiling it in the casserole is what keeps the pieces from turning to mush.

Swap it: Sweet potatoes roast well in place of the squash. Canadian bacon or smoked turkey works if you want a lighter meat, and Gruyere swaps cleanly for the cheddar.

Storage: Refrigerate 3 to 4 days. Reheats well covered at 350°F (177°C) with a splash of milk. Freezes for up to 3 months.

10. Squash Florentine Casserole

This is the dressed-up one. Ricotta, spinach, and three cheeses turn butternut squash into something that looks like it belongs at the front of a holiday table, and it is entirely vegetarian without tasting like an afterthought.

Yield: 8 servings · Prep: 20 min · Cook: 35 min · Total: 55 min · Difficulty: Medium

Ingredients

• 1 large butternut squash, about 3 pounds, peeled, seeded, and cut into 1/2-inch slices
• 1 tablespoon olive oil
• 1/2 teaspoon salt
• 1/4 teaspoon black pepper
• 3 cups (15 ounces) whole-milk ricotta cheese
• 1 cup whole milk
• 2 large eggs
• 1/2 teaspoon ground nutmeg
• 4 cups fresh spinach leaves, roughly chopped
• 1 cup shredded mozzarella cheese
• 1/2 cup grated Parmesan cheese
• 1/4 cup fresh basil leaves

Instructions

1. Heat the oven to 400°F (204°C) and line a 9-by-13-inch baking dish with parchment.
2. Toss the squash slices with the olive oil, the salt, and the pepper.
3. Roast for 15 minutes, just enough to take the raw edge off.
4. Lower the oven to 375°F (191°C).
5. Whisk the ricotta, milk, eggs, and nutmeg together in a large bowl.
6. Stir the spinach and 1/2 cup of the mozzarella into the ricotta mixture.
7. Layer half the roasted squash in the baking dish, spoon over half the ricotta mixture, and repeat with the remaining squash and ricotta.
8. Cover with foil and bake for 20 minutes.
9. Uncover, top with the remaining mozzarella and the Parmesan, and bake for 12 minutes, until the top is browned and the edges are bubbling.
10. Rest for 10 minutes, then finish with torn basil leaves just before serving.

Tip: Do not drain the ricotta. That moisture is what keeps a spinach casserole from drying out, and it thickens into a sauce as it bakes.

Swap it: Part-skim ricotta and reduced-fat milk both work if you want a lighter version. Cheddar in place of mozzarella gives a sharper, more rustic result.

Storage: Keeps 3 to 4 days. Contains dairy and eggs, so it is not suitable for a vegan table. Freezes unbaked for up to 3 months.

11. Mexican Street Corn Squash Casserole

Cotija, corn, and lime do something none of the other squash casseroles do: they make the dish a conversation piece. Keep the heat mild and you get a creamy, slightly salty casserole that even people who say they do not like squash will go back to.

Yield: 8 servings · Prep: 15 min · Cook: 30 min · Total: 45 min · Difficulty: Easy

Ingredients

• 1 tablespoon olive oil
• 4 medium yellow squash, about 2 pounds, sliced 1/4 inch thick
• 1 small onion, diced
• 1 cup corn kernels, fresh or frozen
• 1 cup whole milk
• 2 large eggs
• 1 teaspoon ground cumin
• 1/2 teaspoon chili powder
• 1/2 teaspoon salt
• 1/2 cup shredded Colby Jack cheese
• 1/2 cup crumbled cotija cheese
• 1/4 cup chopped fresh cilantro
• 1 lime, cut into wedges

Instructions

1. Heat the oven to 375°F (191°C) and oil a 2-quart baking dish or a cast-iron skillet.
2. Layer the yellow squash and onion in the dish.
3. Whisk the milk, eggs, cumin, chili powder, and salt together in a bowl.
4. Pour the egg mixture over the squash and press it down with a spatula.
5. Scatter the corn and the Colby Jack over the surface.
6. Cover with foil and bake for 22 minutes, until the egg base is mostly set.
7. Uncover, top with the crumbled cotija, and bake for 8 minutes, until the cheese melts and the edges bubble.
8. Rest for 10 minutes, then finish with the cilantro and a squeeze of lime.

Tip: Cotija does not melt like a standard cheese, so it goes on after the initial covered bake. Adding it at the start leaves you with hard crumbles instead of a melted top.

Swap it: Any mild shredded cheese works in place of cotija, and pepper jack turns this into a spicier dish for guests who want heat. Add a drained can of diced tomatoes with the corn for a heavier version.

Storage: Refrigerate 3 to 4 days. Add the cilantro only right before serving, since it wilts and darkens in the fridge. Freezes unbaked for up to 2 months.

12. Buffalo Chicken Squash Casserole

Game day has its own rules, and this casserole follows them: hot, messy, and best eaten standing up. The spaghetti squash underneath stands in for the pasta, so you get the Buffalo flavor without the heaviness.

Yield: 8 servings · Prep: 15 min · Cook: 40 min · Total: 55 min · Difficulty: Easy

Ingredients

• 1 spaghetti squash, about 2 pounds
• 2 cups shredded cooked chicken breast
• 1/2 cup Buffalo wing sauce
• 1/2 cup ranch dressing
• 1/2 teaspoon garlic powder
• 1 cup shredded mozzarella cheese
• 1/2 cup crumbled blue cheese
• 2 tablespoons butter
• 1/4 cup sliced green onions
• 1/4 cup chopped fresh cilantro

Instructions

1. Heat the oven to 375°F (191°C).
2. Cut the spaghetti squash in half lengthwise and scoop out the seeds.
3. Place the halves cut side down on a lined sheet pan and roast for 25 minutes, until a fork slides in with no resistance.
4. Let the squash cool for 5 minutes, then scrape the strands into a large bowl and discard the shells.
5. Stir the Buffalo sauce, ranch dressing, and garlic powder together in a bowl.
6. Add the chicken and toss to coat. If you are using leftover chicken, make sure it has been reheated to 165°F (74°C) first.
7. Fold the coated chicken into the squash.
8. Spread the mixture into a 9-by-9-inch baking dish and top with the mozzarella.
9. Cover with foil and bake for 12 minutes, then uncover and bake for 8 minutes, until the cheese is bubbling.
10. Finish with the crumbled blue cheese, the green onions, and the cilantro.
11. Rest for 8 minutes so the strands stop sliding before serving.

Tip: Adding the blue cheese after the bake keeps it crumbly. Melted blue cheese turns oily and loses the flavor that makes it worth including.

Swap it: Any shredded cheese works in place of mozzarella, and cheddar gives a sharper result. A rotisserie chicken breast, shredded, saves 20 minutes.

Storage: Keeps 3 to 4 days. Reheat covered at 350°F (177°C) so the cheese stays soft. It does not freeze well, the sauce separating on thawing. Contains dairy and eggs.

If you are building a full game-day spread, our chicken casserole recipes cover more of the table.

Tips for Making These

• Drain properly, and then dry. Salting sliced squash for 15 to 20 minutes and blotting it with paper towels removes far more water than draining alone. A colander alone is why most casseroles come out soggy.
• Cut for even cooking. Quarter-inch slices are the standard for summer squash, and a mandoline slicer makes the job fast. Cut thicker and the edges cook before the center; cut thinner and you get squash mush.
• Par-cook, do not fully cook. Summer squash usually goes in after 10 to 15 minutes of blanching or a short covered bake, and winter squash after 20 to 25 minutes of roasting. Fully cooking it first leaves you with mush after the second cook.
• Batch the prep, not the baking. Slice, salt, drain, and mix the sauces for several recipes the same morning, then refrigerate the components separately. Squash holds well dressed this way for up to two days, and you cut the day-of work down to assembly.
• Stop the top from burning. If the crumb topping or maple glaze is darkening faster than the center is setting, tent the dish loosely with foil for the remaining time. Pulling it at the first sign of color is the most common reason a casserole dries out.
• Plan the trip. Bake in a disposable foil pan, cover it tightly with foil, and set it in a towel-lined box so it does not slide. For holding, set the pan in a warm oven at 200°F (93°C) rather than on a chafing dish, and start reheating no earlier than 30 minutes before you need it.

Frequently Asked Questions

Conclusion

Make the Classic Zucchini and Summer Squash Casserole first if you are unsure. It feeds ten, it uses ingredients almost everyone has, and it is the version that gets scraped clean when there are kids and picky eaters at the table.

Once you have that one down, move on to the Acorn Squash, Cranberry, and Brown Sugar version for the fall and winter tables, or the Butternut Squash and Turkey Casserole when the potluck is dinner rather than a buffet of sides. Wherever you start, these easy squash casserole recipes for potlucks are built to survive the trip, the wait, and the reheating.