Old-School Squash Casserole is a comforting and delicious dish that has been cherished across generations. This simple recipe combines tender yellow squash with creamy ingredients, making it a perfect side dish for family gatherings or everyday meals. With its cheesy topping and buttery cracker crust, itโs no wonder this casserole is a favorite!
Why Make This Recipe
Making Old-School Squash Casserole is not just about enjoying a tasty meal; itโs also about embracing tradition. This dish uses fresh ingredients, is easy to prepare, and brings people together around the dinner table. Whether youโre looking to impress guests or just need a homey side for your weekday dinner, this casserole is a fantastic choice. Itโs a great way to include more vegetables in your meals, and its flavor is sure to please everyone.
How to Make Old-School Squash Casserole
Ingredients
- 2 lbs yellow squash, sliced into 1/4 inch rounds
- 1 small onion, finely diced
- 2 tbsp unsalted butter
- 1/2 tsp salt
- 1/4 tsp black pepper
- 1 cup sour cream
- 1/2 cup mayonnaise
- 1 large egg, lightly beaten
- 1 cup shredded cheddar cheese
- 1/2 tsp garlic powder
- 1/4 tsp paprika (optional)
- 1 cup crushed buttery crackers
- 2 tbsp melted butter
Directions
- Preheat the oven to 350 F (175 C) and lightly grease a 9×9 inch baking dish.
- Melt butter in a large skillet over medium heat. Add sliced squash and onion, cooking for 8 to 10 minutes until tender. Season with salt and pepper, then remove from heat and let excess moisture evaporate.
- In a mixing bowl, combine sour cream, mayonnaise, beaten egg, shredded cheese, garlic powder, and paprika. Stir until smooth.
- Add the cooked squash mixture to the creamy mixture and combine gently. Transfer to the prepared baking dish and spread evenly.
- In a small bowl, mix crushed crackers with melted butter and sprinkle over the casserole.
- Bake uncovered for 30 to 35 minutes until hot and golden on top.
- Let sit for 5 to 10 minutes before serving to allow filling to set.
How to Serve Old-School Squash Casserole
Serve this casserole warm as a tasty side dish to complement your main meal. It pairs wonderfully with roasted meats, grilled chicken, or even as a stand-alone vegetarian option. A sprinkle of fresh herbs on top can add a nice touch!
How to Store Old-School Squash Casserole
If you have leftovers, let the casserole cool completely before storing. Keep it covered in the refrigerator for up to 3 days. You can also freeze it for up to 2 months. Just make sure to cover it well to prevent freezer burn.
Tips to Make Old-School Squash Casserole
- For extra flavor, consider adding some chopped fresh herbs like basil or thyme.
- You can mix different types of cheese to change the flavor profile, such as mozzarella or pepper jack.
- If you prefer a bit more crunch, bake the casserole a little longer or increase the amount of crushed crackers on top.
Variation
You can modify this recipe by adding other vegetables like zucchini or bell peppers. For a spicy twist, add some diced jalapeรฑos or sprinkle in some cayenne pepper!
FAQs
Q: Can I use frozen squash?
A: Yes, you can use frozen squash, but make sure to thaw and drain it well before using it in the recipe.
Q: Is there a gluten-free option for the crackers?
A: Absolutely! You can find gluten-free crackers at your local grocery store, or you can crush gluten-free bread for a substitute.
Q: Can I make this casserole ahead of time?
A: Yes, you can prepare the casserole in advance and store it in the refrigerator. Just bake it right before serving for the best results.

Old-School Squash Casserole
Ingredients
Method
- Preheat the oven to 350 F (175 C) and lightly grease a 9x9 inch baking dish.
- Melt butter in a large skillet over medium heat. Add sliced squash and onion, cooking for 8 to 10 minutes until tender. Season with salt and pepper, then remove from heat and let excess moisture evaporate.
- In a mixing bowl, combine sour cream, mayonnaise, beaten egg, shredded cheese, garlic powder, and paprika. Stir until smooth.
- Add the cooked squash mixture to the creamy mixture and combine gently. Transfer to the prepared baking dish and spread evenly.
- In a small bowl, mix crushed crackers with melted butter and sprinkle over the casserole.
- Bake uncovered for 30 to 35 minutes until hot and golden on top.
- Let sit for 5 to 10 minutes before serving to allow filling to set.






