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Crispy Yellow Squash Casserole Recipe with Ritz Crackers Easy and Best

crispy yellow squash casserole - featured image

A simple, satisfying casserole featuring tender yellow squash and a crispy Ritz cracker topping, perfect for quick weeknight dinners or potlucks.

Ingredients

Scale
  • 4 cups thinly sliced yellow squash (about 4 medium squash)
  • 1 small yellow onion, finely chopped
  • 3 tablespoons butter, melted
  • 3 tablespoons all-purpose flour
  • 1 cup whole or 2% milk, room temperature
  • 1 large egg, beaten
  • 1 cup shredded cheddar cheese (sharp or mild)
  • 1 1/2 cups Ritz crackers, crushed (about one sleeve)
  • Salt and pepper to taste
  • Optional: 1/2 teaspoon garlic powder or smoked paprika

Instructions

  1. Preheat your oven to 350°F (175°C). Grease your 9×13-inch baking dish lightly with butter or non-stick spray.
  2. Slice the yellow squash into thin rounds, about 1/4-inch thick. Chop the onion finely.
  3. In a large skillet, melt 2 tablespoons of butter over medium heat. Add the chopped onion and sauté for about 3 minutes until soft and translucent.
  4. Add the sliced squash to the skillet with the onions. Cook, stirring occasionally, for 5 to 7 minutes until the squash is just tender but not mushy. Season with salt, pepper, and optional garlic powder or smoked paprika. Remove from heat and let cool slightly.
  5. In a medium bowl, whisk together the flour and milk until smooth. Stir in the beaten egg and shredded cheddar cheese. Add the cooked squash and onions, mixing gently to combine evenly.
  6. Pour the mixture into the prepared baking dish, spreading it out evenly.
  7. Prepare the topping: Crush the Ritz crackers until they’re mostly crumbs with a few small pieces for texture. Mix with the remaining 1 tablespoon melted butter to create a slightly wet crumb topping.
  8. Sprinkle the cracker topping evenly over the casserole.
  9. Bake in the preheated oven for 25 to 30 minutes, or until the topping is golden brown and the casserole is bubbly around the edges.
  10. Remove from oven and let sit for 5 minutes before serving.

Notes

If the topping browns too quickly, cover loosely with foil halfway through baking. Let the casserole rest for 5 minutes after baking to help it set. For a dairy-free or gluten-free version, substitute ingredients accordingly. Avoid microwaving leftovers to keep the topping crispy; reheat in the oven instead.

Nutrition

Keywords: yellow squash casserole, Ritz crackers, crispy casserole, easy side dish, cheesy squash casserole, quick casserole, comfort food