Squash Casserole
Squash casserole is a comforting dish that combines the sweetness of squash with creamy goodness, making it a perfect side or main course. Whether you’re preparing for a family gathering or just a cozy dinner at home, this casserole is sure to please everyone at the table. With a blend of flavors and textures, it’s the perfect way to enjoy seasonal produce.
Ingredients
- 4 cups of diced squash (zucchini and yellow squash)
- 1 cup of chopped onion
- 2 cups of shredded cheese (cheddar or a blend)
- 1 cup of sour cream
- 1/2 cup of milk
- 2 eggs
- 1 cup of breadcrumbs
- 2 tablespoons of olive oil
- Salt and pepper to taste
- Fresh herbs for garnish (optional)

Servings and Cooking Time
This recipe makes 6 servings. Preparation time is about 20 minutes, and cooking time is approximately 45 minutes.
Nutritional Value
One serving of squash casserole (about 1 cup) contains approximately:
– Calories: 250
– Protein: 10g
– Carbohydrates: 30g
– Fat: 12g
– Fiber: 3g
This is based on a single serving for one person.
Step-by-Step Cooking Process
- Preheat your oven to 350°F (175°C).
- In a skillet, heat olive oil over medium heat and sauté the onions until translucent.
- Add the diced squash to the skillet and cook for about 5-7 minutes until slightly tender.
- In a large mixing bowl, combine the sour cream, milk, and eggs.
- Stir in the sautéed squash and onion mixture into the bowl.
- Add 1 cup of shredded cheese and mix well.
- Season with salt and pepper to taste.
- Transfer the mixture into a greased baking dish.
- Top with remaining cheese and breadcrumbs evenly.
- Bake in the preheated oven for 30-35 minutes until golden and bubbly.

Alternative Ingredients
You can substitute the squash with other vegetables like cauliflower or broccoli for a different flavor profile. Additionally, Greek yogurt can replace sour cream for a healthier option, while any type of cheese can be used based on preference.
Serving and Pairings
Squash casserole pairs wonderfully with grilled chicken, roasted meats, or a fresh garden salad. It also makes a delightful addition to holiday dinners or potlucks, providing a creamy and comforting side.
Storage and Reheating
Store any leftovers in an airtight container in the refrigerator for up to 3 days. To reheat, simply place in the oven at 350°F until warmed through, about 15-20 minutes. This casserole can also be frozen for up to 2 months; thaw in the refrigerator before reheating.
Cooking Mistakes
- Don’t overcook the squash before baking; it should be slightly firm.
- Ensure the casserole is well-seasoned to enhance flavors.
- Use fresh ingredients for the best taste and texture.
- Avoid excessive moisture by draining any liquid from the squash.
- Don’t skimp on the cheese; it adds flavor and creaminess.
Helpful Tips
- For a crispy topping, broil for the last 5 minutes of baking.
- Add herbs like thyme or rosemary for extra flavor.
- Mix in some cooked bacon or sausage for a heartier version.
- Use a combination of cheeses for a richer flavor.

FAQs
Can I make squash casserole ahead of time?
Yes, you can prepare the casserole a day in advance. Simply assemble it and store it in the refrigerator covered. Bake it just before serving.
What type of squash is best for this casserole?
Both zucchini and yellow squash work perfectly in this recipe. You can mix different varieties for added flavor and color.
Can I add meat to the casserole?
Absolutely! Ground turkey or sausage can be a delicious addition, making the dish more filling.
Is this casserole gluten-free?
You can make it gluten-free by substituting regular breadcrumbs with gluten-free breadcrumbs or crushed gluten-free crackers.
How long does squash casserole last in the fridge?
Stored in an airtight container, it will last for about 3 days in the refrigerator. Make sure to reheat thoroughly before serving.
Conclusion
In conclusion, squash casserole is a versatile and delightful dish that celebrates the flavors of summer squash. With its creamy texture and rich flavors, it makes for an excellent addition to any meal. Whether served as a main dish or a side, it is bound to become a family favorite. Enjoy the comfort and warmth this dish brings to your table!

Squash Casserole
Ingredients
- 4 cups of diced squash zucchini and yellow squash
- 1 cup of chopped onion
- 2 cups of shredded cheese cheddar or a blend
- 1 cup of sour cream
- 1/2 cup of milk
- 2 eggs
- 1 cup of breadcrumbs
- 2 tablespoons of olive oil
- Salt and pepper to taste
- Fresh herbs for garnish optional
Instructions
- Preheat your oven to 350°F (175°C).
- In a skillet, heat olive oil over medium heat and sauté the onions until translucent.
- Add the diced squash to the skillet and cook for about 5-7 minutes until slightly tender.
- In a large mixing bowl, combine the sour cream, milk, and eggs.
- Stir in the sautéed squash and onion mixture into the bowl.
- Add 1 cup of shredded cheese and mix well.
- Season with salt and pepper to taste.
- Transfer the mixture into a greased baking dish.
- Top with remaining cheese and breadcrumbs evenly.
- Bake in the preheated oven for 30-35 minutes until golden and bubbly.