Potato Casserole - cooking recipe

Ingredients

2 lb. hash brown potatoes (frozen)
16 oz. sour cream
1/3 c. margarine
8 oz. sharp Cheddar cheese
1 can cream of chicken soup
1 onion (small or medium to taste)

Preparation

Bake 1 hour at 350\u00b0 in a 9 x 13-inch greased pan.