Southern Squash Casserole

A classic Southern Squash Casserole is the perfect way to enjoy the bounty from your summer garden! The cheesy filling is topped with a buttery crumb topping for the ultimate family-friendly side dish recipe!


  • 2 tablespoons butter, divided
  • 4 small yellow squash (about 2 lbs.), sliced (about 6 cups total)
  • 1 small onion, diced
  • 1 red bell pepper, diced
  • ½ teaspoon salt
  • ¼ teaspoon pepper
  • 2 eggs
  • 1 cup grated cheddar cheese
  • ¼ cup sour cream
  • ¼ cup mayonnaise
  • ¾ cup crushed butter crackers (I used 18 Ritz crackers)


  • Preheat oven to 350° F. Spray an 8-inch or 9-inch square baking dish with cooking spray and set aside.
  • Melt 1 tablespoon butter in a large skillet over medium heat. Add squash, onion, and bell pepper to the skillet, cooking and stirring for about 10 minutes (or until vegetables are tender). Remove from heat and season with salt and pepper.
  • Meanwhile, in a separate bowl, whisk together eggs, cheese, sour cream, and mayonnaise.
  • Stir the egg mixture into the squash mixture.
  • Transfer the squash mixture into the prepared baking dish.
  • In a separate bowl, combine crushed crackers with remaining 1 tablespoon of melted butter. Sprinkle buttered cracker crumbs over top of casserole.
  • Bake for 30-35 minutes, or until casserole is set and topping is golden brown.


Serving: 1/6 of the casserole | Calories: 249.1kcal | Carbohydrates: 14.5g | Protein: 10g | Fat: 18.1g | Saturated Fat: 8.5g | Polyunsaturated Fat: 3.6g | Monounsaturated Fat: 4.8g | Cholesterol: 98.6mg | Sodium: 502.2mg | Potassium: 70.2mg | Fiber: 1.9g | Sugar: 5.2g

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