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Classic Creamy Southern Yellow Squash Casserole with Buttery Cracker Topping

Close-up of a slice of baked squash casserole with a crispy, browned top crust.
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Make this classic Southern Yellow Squash Casserole for a comforting side dish. It features tender yellow squash baked in a creamy, cheesy base and finished with a buttery, crunchy Ritz cracker topping.

Ingredients

Scale
  • 4 pounds yellow squash, thinly sliced
  • 1 medium onion, finely chopped
  • 1 cup sharp Cheddar cheese, shredded
  • 1/2 cup sour cream
  • 1/2 cup mayonnaise
  • 2 large eggs, lightly beaten
  • 1/2 teaspoon salt
  • 1/4 teaspoon black pepper
  • 1/4 teaspoon garlic powder
  • 1 cup crushed Ritz crackers
  • 1/2 cup (1 stick) unsalted butter, melted

Instructions

  1. Preheat your oven to 375 degrees F. Lightly grease a 9×13 inch baking dish.
  2. Place the sliced yellow squash and chopped onion in a large bowl. Let them sit for 15 minutes to draw out excess moisture. Drain the liquid thoroughly using a colander.
  3. In a separate large bowl, whisk together the sour cream, mayonnaise, eggs, salt, pepper, and garlic powder until smooth.
  4. Stir the drained squash and onion mixture into the wet ingredients until everything is well combined.
  5. Fold in the shredded Cheddar cheese. Pour the entire mixture into the prepared baking dish.
  6. In a small bowl, combine the crushed Ritz crackers and the melted butter. Mix until the crackers are evenly coated.
  7. Sprinkle the buttery cracker mixture evenly over the top of the squash mixture in the baking dish.
  8. Bake for 30 to 35 minutes, or until the casserole is set in the center and the topping is golden brown and crisp.
  9. Let the casserole rest for 5 minutes before you serve it.

Notes

  • You can prepare the casserole mixture up to the topping step a day ahead. Cover and refrigerate. Add the cracker topping just before baking and add 5-10 minutes to the bake time if baking straight from the refrigerator.
  • For an extra savory flavor, substitute half of the Cheddar cheese with Gruyère or Monterey Jack cheese.
  • If you do not have Ritz crackers, use crushed butter crackers or panko breadcrumbs mixed with melted butter.

Nutrition

Find it online: https://cookingbyjade.com/squash-casserole-recipe-southern-comfort-food/