Potato Casserole
["1 (32 oz.) pkg. frozen hash brown potatoes, slightly thawed", "1 (16 oz.) carton sour cream", "1 can cream of chicken soup", "salt and pepper", "1 stick margarine or butter, melted", "1/2 c. chopped onion (optional)", "8 to 10 oz. cheese, grated"]
["Mix all ingredients.", "Bake 1 hour at 375\u00b0 or until bubbly throughout."]
["frozen hash brown potatoes", "sour cream", "cream of chicken soup", "salt", "margarine", "onion", "cheese"]