Potato Casserole - cooking recipe

Ingredients

2 lb. frozen hash browns
16 oz. sour cream
2 c. cream of chicken soup
3/4 lb. grated cheese
1 chopped onion
1/2 stick butter

Preparation

Mix all ingredients, except butter.
Pour into greased dish and put butter on top.
Bake at 350\u00b0 for 45 minutes.