Deluxe Potato Casserole - cooking recipe

Ingredients

2 lb. hash brown potatoes
1 can cream of mushroom soup
1 stick butter or margarine
2 c. Cheddar cheese, shredded
3/4 to 1 c. chopped onion
1 lb. carton sour cream

Preparation

Melt butter in 9 x 13-inch pan.
Pour into potatoes, etc., in large mixing bowl.
Bake in 9 x 13-inch pan at 375\u00b0 for 30 to 45 minutes or until brown.