Potato Casserole - cooking recipe

Ingredients

32 oz. hash brown potatoes
12 oz. sour cream
1 can mushroom soup
1/2 c. finely chopped onion (optional)
2 c. shredded Cheddar or American cheese

Preparation

Combine potatoes with sour cream, soup, onion, melted margarine and cheese in a bowl.
Add salt and pepper to taste; mix well.
Pour into 9 x 13-inch baking pan and bake at 350\u00b0 for 45 to 55 minutes.