- 1 (2 pound) package frozen cubed hash brown potatoes, thawed
- 2 cups shredded mozzarella cheese
- 1 (16 ounce) container sour cream
- 1 (10.75 ounce) can cream of chicken soup
- 1/2 cup melted butter
- 1/2 cup chopped onion
- 1 teaspoon salt
- 1/2 teaspoon ground black pepper
- Preheat oven to 350 degrees F (175 degrees C).
- Mix potatoes, mozzarella cheese, sour cream, cream of chicken soup, butter, onion, salt, and black pepper together in a casserole dish.
- Bake in preheated oven until hot throughout and bubbly on top, about 30 minutes.