This Cheesy Yellow Squash Casserole is a creamy, comforting, and cheesy side dish perfect for any occasion! Made with tender summer squash, cheddar cheese, and a crispy breadcrumb topping, this dish is easy to prepare and full of flavor. It’s a great way to use up fresh squash and pairs beautifully with any meal, from holiday feasts to weeknight dinners.
Preparation Time
- Prep Time: 15 minutes
- Cook Time: 40-45 minutes
- Total Time: 1 hour
- Servings: 6
Ingredients
- 2 medium yellow summer squash (about 1 pound)
- 1 tsp kosher salt, plus more to taste
- 1 small yellow onion, finely diced
- Freshly ground black pepper, to taste
- 1 large egg
- 1 tsp sugar
- ¾ cup shredded Cheddar cheese, divided
- ½ cup mayonnaise
- 4 tbsp melted butter, divided
- 1 cup finely ground fresh breadcrumbs
- Butter (for greasing the casserole dish)
Directions
- Preheat the Oven:
- Preheat the oven to 350°F (175°C).
- Butter a 1-quart casserole dish and set aside.
- Cook the Squash:
- Slice the yellow squash (no need to peel or remove seeds).
- Place in a medium saucepan, cover with water, and add 1 tsp kosher salt.
- Bring to a boil over high heat, then reduce to medium-low, cover, and cook for 10-15 minutes until tender.
- Mash the Squash:
- Drain the cooked squash thoroughly.
- Return to the saucepan and mash with a fork or potato masher.
- Season with additional salt and pepper to taste.
- Prepare the Egg Mixture:
- In a separate bowl, whisk the egg and sugar lightly.
- Add the mayonnaise, diced onion, ½ cup shredded cheddar cheese, and 2 tbsp melted butter.
- Stir until well combined.
- Combine the Mixtures:
- Stir the mashed squash into the egg and mayonnaise mixture.
- Mix thoroughly to combine all ingredients.
- Assemble the Casserole:
- Pour the squash mixture into the prepared casserole dish.
- Sprinkle the remaining ¼ cup of shredded cheddar cheese on top.
- Prepare the Breadcrumb Topping:
- Toss the breadcrumbs with the remaining 2 tbsp melted butter.
- Evenly sprinkle over the casserole for a crispy topping.
- Bake the Casserole:
- Bake in the preheated oven for 40-45 minutes, or until bubbly and lightly browned.
- Serve & Enjoy:
- Serve hot and enjoy this cheesy, creamy, and crispy squash casserole!
Serving Suggestions
- Pair with grilled chicken or roast beef for a complete meal.
- Serve as a holiday side dish, perfect for Thanksgiving or Christmas.
- Garnish with fresh herbs like parsley or thyme for added flavor.
- Enjoy with a green salad for a lighter meal.
- Serve alongside mashed potatoes for a cozy, comforting dinner.
Cooking Tips
- No squash? Substitute with zucchini for a similar texture and taste.
- Extra cheesy: Add more cheddar or mix with mozzarella or Monterey Jack for a richer flavor.
- Breadcrumb alternatives: Use panko breadcrumbs or crushed crackers instead.
- Make it ahead: Prepare the casserole in advance and store in the fridge. Just add the breadcrumb topping before baking.
- Control the texture: Mash squash lightly for a chunkier casserole or thoroughly for a smoother consistency.
Nutritional Benefits
- Yellow squash is low in calories and high in vitamins A and C.
- Cheddar cheese provides calcium and protein.
- Eggs add protein and essential nutrients.
- Onions and squash contribute to fiber and antioxidants.
Dietary Information
- Vegetarian-friendly
- Contains dairy and gluten (can be adapted with dairy-free cheese and gluten-free breadcrumbs)
Nutritional Facts (Per Serving)
- Calories: 280-320 kcal
- Carbohydrates: 15g
- Protein: 7g
- Fat: 24g
- Fiber: 2g
Storage
- Refrigerator: Store leftovers in an airtight container for up to 4 days.
- Freezer: Freeze for up to 2 months. Thaw in the refrigerator before reheating.
- Reheat: Warm in a 350°F oven for 10-15 minutes or microwave until heated through.
Why You’ll Love This Recipe
- Easy to make with simple ingredients.
- Cheesy, creamy, and crispy all in one bite.
- Great for meal prep and perfect for leftovers.
- Crowd-pleaser, loved by kids and adults alike!
Conclusion
This Cheesy Yellow Squash Casserole is a warm, creamy, and delicious side dish that highlights the natural sweetness of summer squash combined with cheesy richness and a crispy breadcrumb topping. Whether served as part of a holiday feast or a simple weeknight dinner, this dish is sure to be a hit at any table. Try it today and enjoy a taste of Southern comfort!
Frequently Asked Questions (FAQs)
- Can I use frozen squash instead of fresh?
Yes! Just thaw and drain well before using to remove excess moisture. - What can I use instead of mayonnaise?
Substitute with sour cream or Greek yogurt for a tangier taste. - Can I make this gluten-free?
Yes! Use gluten-free breadcrumbs or crushed gluten-free crackers. - Can I prepare this ahead of time?
Absolutely! Assemble the casserole (without breadcrumbs) and refrigerate. Add the topping just before baking. - What if my squash is too watery?
Drain the cooked squash thoroughly, pressing out excess moisture with a paper towel. - Can I add meat to this casserole?
Yes! Cooked bacon, sausage, or shredded chicken would be a great addition. - Can I use a different cheese?
Of course! Try Parmesan, Gouda, or Pepper Jack for a unique twist. - How do I make the topping crispier?
Broil the casserole for 2-3 minutes at the end of baking. - Can I add other vegetables?
Yes! Bell peppers, mushrooms, or zucchini blend well with squash. - How do I serve leftovers?
Reheat and serve as a side dish or mix into omelets or pasta for a delicious twist!