Potato Casserole - cooking recipe

Ingredients

16 oz. sour cream
8 oz. pkg. Cheddar cheese
1 small onion, chopped
1 stick margarine
1 can cream of chicken soup
2 lb. bag frozen hash browns

Preparation

Melt butter.
Partly thaw hash browns.
In a large bowl, mix all ingredients together and cook at 350\u00b0 for 1 hour in a 13 x 9-inch pan.