why make this recipe
Southern Squash Casserole is a warm and comforting dish that highlights the fresh flavors of summer squash. This recipe brings together simple ingredients to create a hearty side dish that perfectly complements any meal. It’s easy to make, and its creamy texture and cheesy goodness will please everyone around the table. Not only is it delicious, but it’s also a fantastic way to use up an abundance of squash if you have a garden or enjoy visiting farmers’ markets.
how to make Southern Squash Casserole
Ingredients:
- 4 cups yellow squash, sliced
- 1 small onion, diced
- 2 tbsp butter (for sautéing)
- 1/2 tsp salt
- 1/4 tsp black pepper
- 1/2 cup sour cream
- 1/2 cup mayonnaise
- 1 cup shredded cheddar cheese
- 2 large eggs, lightly beaten
- 1/2 cup crushed buttery crackers or panko
- 2 tbsp melted butter (for topping)
- Optional: chopped parsley, for garnish
Directions:
- Preheat Oven: Set the oven to 350°F (175°C).
- Cook Squash: In a skillet, sauté the squash and onion in butter until soft, about 10 minutes. Drain any excess liquid.
- Make Filling: In a large bowl, combine the squash mixture with sour cream, mayonnaise, cheese, eggs, salt, and pepper.
- Assemble: Pour the mixture into a greased 2-quart baking dish.
- Top & Bake: Mix the crushed crackers or panko with melted butter. Sprinkle this over the casserole. Bake uncovered for 25–30 minutes, until it is bubbly and golden on top.
- Garnish & Serve: Sprinkle with fresh parsley before serving.
how to serve Southern Squash Casserole
Southern Squash Casserole is best served warm. It makes a great side dish for grilled meats, fried chicken, or even as part of a vegetarian meal. Pair it with a fresh salad or some cornbread for a comforting Southern-style dinner.
how to store Southern Squash Casserole
If you have leftovers, let the casserole cool completely before storing it. Place it in an airtight container and keep it in the refrigerator for up to three days. You can also freeze it for longer storage. Make sure to wrap it tightly to prevent freezer burn. To reheat, simply place it in the oven at 350°F (175°C) until warmed through.
tips to make Southern Squash Casserole
- Use fresh squash for the best flavor, but if you can’t find any, frozen squash can work too—just be sure to thaw and drain it.
- Adjust the seasoning to your taste. You can add garlic powder or hot sauce for a bit of extra kick.
- For an even creamier casserole, consider adding cream cheese or a different blend of cheeses.
variation
You can customize this casserole by adding cooked sausage, or substituting zucchini for squash. For a healthier option, replace mayonnaise with Greek yogurt.
FAQs
1. Can I make this casserole ahead of time?
Yes, you can prepare the casserole a day in advance. Just cover it and store it in the fridge until you are ready to bake.
2. How do I know when the casserole is done?
The casserole is done when it is bubbly, golden brown on top, and a knife inserted in the center comes out clean.
3. Can I use different types of cheese?
Absolutely! Feel free to use your favorite cheese or mix different types, such as mozzarella or Monterey Jack, to create your own flavor combination.

Southern Squash Casserole
Ingredients
Main Ingredients
- 4 cups yellow squash, sliced Use fresh squash for the best flavor.
- 1 small onion, diced
- 2 tbsp butter (for sautéing)
- 1/2 tsp salt Adjust to taste.
- 1/4 tsp black pepper Adjust to taste.
- 1/2 cup sour cream
- 1/2 cup mayonnaise Can substitute with Greek yogurt for a healthier option.
- 1 cup shredded cheddar cheese Feel free to use a mix of cheeses for a different flavor.
- 2 large eggs, lightly beaten
- 1/2 cup crushed buttery crackers or panko
- 2 tbsp melted butter (for topping)
Optional Garnish
- 1 tbsp chopped parsley For garnish.
Instructions
Preparation
- Preheat the oven to 350°F (175°C).
- In a skillet, sauté the squash and onion in butter until soft, about 10 minutes. Drain any excess liquid.
- In a large bowl, combine the squash mixture with sour cream, mayonnaise, cheese, eggs, salt, and pepper.
- Pour the mixture into a greased 2-quart baking dish.
Baking
- Mix the crushed crackers or panko with melted butter and sprinkle this over the casserole.
- Bake uncovered for 25–30 minutes, until it is bubbly and golden on top.
Serving
- Sprinkle with fresh parsley before serving.