There’s nothing quite like a bubbling potato casserole coming out of the oven. This Creamy Potato Casserole combines thinly sliced russet potatoes with rich sour cream, whole milk, melted butter, sharp cheddar cheese, and savory seasonings for an irresistibly creamy, comforting side dish.
The potatoes bake gently in a velvety sauce before the casserole is uncovered and finished with a golden layer of melted cheese and optional breadcrumbs. The result is tender potatoes underneath with a deliciously crisp, cheesy topping.
Whether you’re making a cozy weeknight dinner, preparing a holiday side dish, or bringing something comforting to a family gathering, this easy potato casserole is the kind of recipe everyone will want seconds of.
Why You’ll Love This Creamy Potato Casserole
- Rich and creamy: Sour cream, milk, butter, and cheddar create a luxurious sauce.
- Easy ingredients: Everything is simple and easy to find at the grocery store.
- Perfectly cheesy: Sharp cheddar adds plenty of bold, savory flavor.
- Great texture: Tender potatoes contrast beautifully with the bubbling golden topping.
- Perfect for gatherings: It makes a generous 9×13-inch casserole that works well for family dinners and holidays.
Creamy Potato Casserole Ingredients
- 4 large russet potatoes, peeled and thinly sliced
- 1/4 cup unsalted butter, melted (1/2 stick)
- 1 medium onion, finely chopped
- 2 cups sour cream (preferably full-fat)
- 2 cups sharp cheddar cheese, shredded and divided
- 1 cup milk (whole or 2% recommended)
- 1 teaspoon salt
- 1/2 teaspoon black pepper (freshly cracked preferred)
- 1 teaspoon garlic powder
- 1/2 teaspoon paprika (optional)
- 1/2 cup breadcrumbs (optional, for a crunchy topping)
- Fresh parsley, for garnish (optional)
How to Make Creamy Potato Casserole
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