Sinful Potato Casserole - cooking recipe

Ingredients

1 (2 lb.) bag frozen hash brown potatoes
2 cans potato soup
8 oz. sour cream
8 oz. Cheddar cheese, grated
1 Tbsp. garlic salt
1/2 c. Parmesan cheese
butter

Preparation

Let hash browns defrost about 30 minutes.
In a large bowl, mix potato soup, sour cream, Cheddar cheese and garlic salt.
Fold in hash brown potatoes.