Grandkids' Favorite Casserole | Cooking Professionally

Ingredients

• 3 pounds yellow squash, chopped
• 2 pounds zucchini, chopped
• 1 medium onion, chopped
• 2 tablespoons kosher salt
• 1/2 cup sour cream
• 1/2 cup mayonnaise
• 1 large egg
• 1 (8-ounce) block extra-sharp cheddar cheese, grated
• 1/2 teaspoon ground black pepper
• 2 cups cheddar cheese crackers, preferably in fun shapes
• 2 tablespoons butter, melted