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Perfect Southern squash casserole with 1 amazing crunch

Southern squash casserole

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A classic Southern squash casserole with a crispy cornflake topping, perfect as a soul-food side dish.

Ingredients

Scale
  • 2 pounds yellow squash, thinly sliced
  • 1 medium onion, chopped
  • 1 tablespoon butter
  • 1 cup shredded cheddar cheese
  • 1/2 cup sour cream
  • 1/4 cup milk
  • 1/4 cup all-purpose flour
  • 1/2 teaspoon salt
  • 1/4 teaspoon black pepper
  • 1 cup crushed cornflakes
  • 2 tablespoons melted butter

Instructions

  1. Preheat your oven to 375°F (190°C).
  2. In a large skillet, melt 1 tablespoon of butter over medium heat. Add the chopped onion and cook until softened, about 5 minutes.
  3. Add the thinly sliced squash to the skillet with the onions. Cook, stirring occasionally, until the squash is tender-crisp, about 8-10 minutes.
  4. In a large bowl, combine the cooked squash and onion mixture with the shredded cheddar cheese, sour cream, milk, flour, salt, and pepper. Stir until well combined.
  5. Pour the squash mixture into a greased 9×13 inch baking dish.
  6. In a small bowl, combine the crushed cornflakes with 2 tablespoons of melted butter. Sprinkle this mixture evenly over the top of the squash casserole.
  7. Bake for 25-30 minutes, or until the casserole is bubbly and the topping is golden brown and crispy.
  8. Let stand for a few minutes before serving.

Notes

  • For a finer topping, you can pulse the cornflakes in a food processor.
  • Feel free to add a pinch of nutmeg for extra flavor.
  • Ensure your squash is sliced evenly for consistent cooking.

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