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Ultimate Creamy Cheesy Potato Casserole

A close-up of a creamy slice of potato casserole topped with melted cheese and crunchy cornflakes.

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Make this ultimate creamy cheesy potato casserole, a rich comfort food side dish perfect for potlucks and holiday dinners. It combines the best elements of loaded baked potato casserole and funeral potatoes for a guaranteed crowd-pleaser.

Ingredients

Scale
  • 3 lbs russet potatoes, peeled and thinly sliced
  • 1 (10.5 oz) can cream of chicken soup
  • 1 cup sour cream
  • 1 cup heavy cream
  • 1 cup shredded sharp cheddar cheese, divided
  • 1/2 cup shredded Monterey Jack cheese
  • 1/2 cup butter, melted
  • 1 teaspoon onion powder
  • 1/2 teaspoon garlic powder
  • 1/2 teaspoon salt
  • 1/4 teaspoon black pepper
  • 1 cup crushed cornflakes (for topping)
  • 2 tablespoons melted butter (for topping)

Instructions

  1. Preheat your oven to 375°F (190°C). Lightly grease a 9×13 inch baking dish.
  2. In a large bowl, whisk together the cream of chicken soup, sour cream, heavy cream, onion powder, garlic powder, salt, and pepper until smooth.
  3. Stir in the sharp cheddar cheese and Monterey Jack cheese into the cream mixture. Reserve 1/4 cup of the cheddar cheese for the top layer.
  4. Gently fold the thinly sliced potatoes into the cheese sauce until they are fully coated.
  5. Pour the potato mixture into the prepared baking dish, spreading it into an even layer.
  6. Pour the 1/2 cup of melted butter evenly over the potatoes.
  7. Bake uncovered for 45 minutes.
  8. While the casserole bakes, mix the crushed cornflakes with the 2 tablespoons of melted butter.
  9. After 45 minutes, remove the casserole from the oven. Sprinkle the remaining 1/4 cup of cheddar cheese and the buttered cornflakes over the top.
  10. Return the casserole to the oven and bake for another 15 to 20 minutes, or until the topping is golden brown and the potatoes are tender when pierced with a fork.
  11. Let the cheesy potato casserole rest for 10 minutes before serving.

Notes

  • For a gluten-free option, substitute the cornflakes with crushed gluten-free crackers or crushed pork rinds.
  • You can make this creamy potato bake ahead of time; cover and refrigerate for up to 24 hours before baking. Add 10 minutes to the initial covered baking time if baking directly from the refrigerator.
  • If you prefer a loaded baked potato flavor, mix in 1 cup of cooked, crumbled bacon bits with the potatoes before baking.

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