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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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Course: Casserole, Side Dish
Cuisine: American, southern
Prep Time: 15 minutes
Cook Time: 30 minutes
Total Time: 45 minutes
Servings: 8 servings
Calories: 195kcal
Cost: $6.75

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)

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

Instructions 

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

Nutrition

Serving: 200grams | Calories: 195kcal (10%) | Carbohydrates: 12g (4%) | Protein: 7g (14%) | Fat: 14g (22%) | Saturated Fat: 7g (44%) | Polyunsaturated Fat: 2g | Monounsaturated Fat: 4g | Cholesterol: 75mg (25%) | Sodium: 485mg (21%) | Potassium: 285mg (8%) | Fiber: 2g (8%) | Sugar: 6g (7%) | Vitamin A: 385IU (8%) | Vitamin C: 18mg (22%) | Calcium: 165mg (17%) | Iron: 0.8mg (4%)