Southern Squash Casserole

Southern Squash Casserole is a warm and comforting classic that’s a staple in many Southern kitchens. Made with tender yellow squash, creamy cheese, and a buttery cracker topping, this dish is perfect as a side for Sunday dinner, holidays, or any meal where comfort food is welcome. It’s simple, savory, and sure to be a crowd favorite.

Why You’ll Love This Recipe

• Classic Southern Flavor – A rich, cheesy casserole with squash and buttery cracker topping.
• Perfect Side Dish – Pairs beautifully with grilled meats, barbecue, or holiday roasts.
• Make-Ahead Friendly – Assemble it early and bake just before serving.
• Crowd-Pleaser – A guaranteed hit at potlucks, holidays, or family dinners.
• Great Use for Summer Squash – Ideal when yellow squash is in season and abundant.

Ingredients

(Tip: You’ll find the full list of ingredients and measurements in the recipe card below.)

• 3 pounds yellow squash, sliced into ¼-inch rounds
• 1 small onion, finely chopped
• 1 tablespoon olive oil or butter
• 1 teaspoon salt
• ½ teaspoon black pepper
• 1 cup shredded sharp cheddar cheese
• ½ cup sour cream or mayonnaise
• 1 egg, beaten
• 1 can (10.5 oz) cream of chicken or mushroom soup
• 1 sleeve Ritz crackers (or similar), crushed
• 3 tablespoons melted butter

Directions

this recipe

1. Preheat Oven: Preheat your oven to 350°F (175°C). Grease a 9×13-inch baking dish.
2. Cook the Squash and Onions: Heat olive oil or butter in a large skillet over medium heat. Add the sliced squash and chopped onions. Cook for about 10 minutes, stirring often, until the squash is tender. Drain off any excess liquid.
3. Mix the Filling: In a large bowl, combine the cooked squash and onions with the soup, sour cream or mayonnaise, shredded cheese, egg, salt, and pepper. Mix until well combined.
4. Assemble the Casserole: Transfer the mixture to the prepared baking dish. Spread evenly.
5. Add the Topping: In a small bowl, mix crushed crackers with melted butter. Sprinkle evenly over the casserole.
6. Bake: Bake for 35–40 minutes, or until the top is golden brown and the casserole is bubbling around the edges.

Servings and Timing

• Servings: 8 to 10
• Prep Time: 20 minutes
• Cook Time: 35–40 minutes
• Total Time: 1 hour

Variations

• Add Protein: Mix in cooked bacon or diced ham for a heartier casserole.
• Cheesy Upgrade: Use a blend of cheeses like Monterey Jack or Parmesan with cheddar.
• Spice It Up: Add a pinch of cayenne pepper or a few dashes of hot sauce for some kick.
• Low-Carb Option: Swap out the cream soup for heavy cream and skip the cracker topping or use crushed pork rinds.

Storage/Reheating

• Refrigerator: Store in an airtight container for up to 4 days.
• Freezer: Freeze unbaked casserole (without topping) for up to 2 months. Add topping just before baking.
• Reheating: Reheat in a 325°F oven until warmed through, or microwave individual servings for 1–2 minutes.

FAQs

Can I use zucchini instead of yellow squash?

Yes, zucchini works well or you can mix the two for color and variety.

Can I make this casserole ahead of time?

Yes, assemble without the topping, refrigerate, then add the topping and bake when ready.

Is the cracker topping necessary?

It adds great texture, but you can skip it or substitute breadcrumbs or panko.

What type of cheese works best?

Sharp cheddar is traditional, but any melty cheese like Colby Jack or mozzarella works too.

Can I use fresh herbs?

Yes, chopped parsley, thyme, or chives add a fresh flavor.

How do I avoid a watery casserole?

Drain the cooked squash well and avoid overcooking it before baking.

Can I use Greek yogurt instead of sour cream?

Yes, plain Greek yogurt is a good substitute and slightly tangier.

What goes well with squash casserole?

It’s great with fried chicken, meatloaf, barbecue, or roasted meats.

Is this gluten-free?

Not as written. Use gluten-free soup and crackers to make it gluten-free.

Can I double this recipe?

Yes, just use a larger baking dish and adjust the cooking time as needed.

Conclusion

Southern Squash Casserole is a creamy, cheesy, and comforting dish that’s sure to become a favorite at your table. Whether you’re making it for a holiday spread or a weeknight dinner, its rich flavors and crispy topping will have everyone asking for seconds. It’s the kind of timeless recipe that never goes out of style.

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