Hash Brown Casserole - cooking recipe

Ingredients

2 lb. frozen hash brown potatoes
1 stick margarine
1 small onion, chopped
1 can cream of chicken soup
1 pt. sour cream
8 oz. shredded Cheddar cheese

Preparation

Preheat oven to 375\u00b0.
Cook onion in margarine until tender. Mix all ingredients.
Bake for 1 hour.