Hash Brown Casserole - cooking recipe

Ingredients

1 (2 lb.) bag frozen hash brown potatoes
1 can cream of chicken soup
1 (8 oz.) carton sour cream
1 stick margarine, melted
1 c. shredded Cheddar cheese
1 c. chopped onion (optional)

Preparation

Mix all ingredients (except cheese) together in a large bowl. Butter a casserole dish (11 x 15-inch or 9 x 13-inch).
Pour in ingredients.
Bake, covered, for 35 minutes in a 425\u00b0 oven.
Bake, uncovered, for 15 minutes.
Sprinkle cheese on top 5 or 10 minutes before removing from oven.