Baked Potato Casserole
["8 cooked, peeled and diced potatoes", "1 lb. American cheese, sliced in strips", "1 c. mayonnaise", "1/2 c. chopped onion", "1/2 c. sour cream (if desired)", "1/2 lb. partially fried bacon, chopped"]
["Combine the first 5 ingredients.", "Place in 9 x 13-inch pan and top with bacon.", "Bake at 350\u00b0 for 1/2 hour to 45 minutes."]
["potatoes", "American cheese", "mayonnaise", "onion", "sour cream", "partially fried bacon"]