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A photo of a freshly baked cheesy potato casserole in a white ceramic baking dish. The surface of the casserole is golden brown and bubbling. A serving spoon lifts a portion of the casserole, revealing the creamy, cheesy layers underneath. A plate with a serving of the casserole sits nearby, garnished with fresh parsley.

Cheesy Potato Casserole

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Cheesy Potato Casserole is a rich and creamy dish made with layers of tender potatoes, melted cheddar cheese, and a smooth, buttery sauce. Baked until golden and bubbly, this comforting casserole is perfect for holiday gatherings or as a satisfying side dish.
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Prep Time 15 minutes
Cook Time 55 minutes
Total Time 1 hour 10 minutes
Servings: 6 servings
Course: Side Dish
Cuisine: American
Ingredients Equipment Method Notes

Ingredients
  

  • 4 cups potatoes peeled and thinly sliced
  • 2 cups cheddar cheese shredded
  • 1 cup sour cream
  • ½ cup milk
  • 4 tablespoons unsalted butter melted
  • 1 teaspoon garlic powder
  • 1 teaspoon onion powder
  • ½ teaspoon salt
  • ½ teaspoon black pepper freshly ground
  • 1 cup panko breadcrumbs optional topping

Equipment

  • Large Mixing Bowl For mixing the cheese sauce
  • Baking Dish For layering and baking the casserole
  • Saucepan For melting the butter and making the sauce
  • Cheese Grater For shredding fresh cheese

Method
 

  1. Preheat the oven to 375°F (190°C) and grease a baking dish.
  2. In a saucepan, melt the butter over medium heat. Stir in the garlic powder, onion powder, salt, and black pepper.
  3. Whisk in the milk and sour cream until smooth. Add half of the shredded cheddar cheese and stir until melted.
  4. Layer half of the sliced potatoes in the baking dish, then pour half of the cheese sauce over them. Repeat with the remaining potatoes and sauce.
  5. Sprinkle the remaining shredded cheese on top and add panko breadcrumbs if using.
  6. Cover with foil and bake for 40 minutes. Remove the foil and bake for an additional 15 minutes until golden and bubbly.
  7. Let the casserole rest for 5 minutes before serving.

Notes

  • For extra richness, use half-and-half instead of milk.
  • Add crumbled bacon for a smoky twist.
  • Leftovers can be refrigerated and reheated in the oven.

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