Hash Brown Casserole - cooking recipe

Ingredients

2 lb. hash brown potatoes
1 stick margarine, melted
1/2 medium onion, diced
8 oz. grated cheese
1 can cream of mushroom soup
1 c. sour cream

Preparation

Mix the first 3 ingredients and spread in an 11 x 15-inch oblong pan.
Combine in a bowl the next 3 ingredients.
Spread on top of potato mixture.
Crush 2 cups potato chips or corn flakes and put on top of mixture. Dot with 1/2 stick margarine. Bake 1 hour at 350\u00b0.