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Homemade yellow squash casserole with golden cheese and cracker topping in baking dish.

Southern Squash Casserole

Classic Southern squash casserole with tender yellow squash, creamy cheese sauce, and crispy Ritz cracker topping.
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Prep Time 15 minutes
Cook Time 30 minutes
Total Time 45 minutes
Servings: 8 servings
Course: Casserole, Side Dish
Cuisine: American, southern
Calories: 195
Ingredients Equipment Method Notes

Ingredients
  

  • 3 pounds yellow summer squash Sliced into rounds
  • 1 large onion Diced
  • 2 tablespoons butter For sautéing
  • 1 teaspoon salt For cooking squash
  • ½ teaspoon black pepper Freshly ground
  • 2 large eggs Beaten
  • ½ cup sour cream Room temperature
  • 1 cup sharp cheddar cheese Shredded, divided
  • ¼ cup mayonnaise Regular or light
  • 1 tablespoon sugar Balances flavors
  • ½ teaspoon garlic powder For depth
  • 1 sleeve Ritz crackers Crushed
  • 3 tablespoons butter Melted for topping

Equipment

  • Large skillet For cooking squash and onions
  • Colander Essential for draining excess water
  • 9x13-inch baking dish Greased for easy serving
  • Large mixing bowl For combining ingredients
  • Potato masher Optional for texture control

Method
 

  1. Cook at 350°F for 25-30 minutes until set and golden brown
  2. Sauté squash and onion in butter until very tender and translucent
  3. Transfer cooked squash to colander, press out excess moisture thoroughly
  4. Combine eggs, sour cream, cheese, mayo, sugar, and seasonings in bowl
  5. Fold drained squash mixture into creamy egg mixture gently
  6. Spread mixture evenly in greased 9x13 inch baking dish
  7. Sprinkle crushed crackers mixed with melted butter and remaining cheese
  8. Cook at 350°F for 25-30 minutes until set and golden brown

Notes

Nutrition information is automatically calculated, so should only be used as an approximation.