Delicious Potatoes
["4 pkg. frozen hash brown potatoes", "1 pt. half and half", "3/4 lb. Velveeta cheese", "1 pkg. Cheddar cheese, grated", "1/4 lb. margarine"]
["Melt cheese and oleo; mix in half and half, all in pan.", "Pour over potatoes and let stand for an hour.", "Bake at 350\u00b0 for 1 hour."]
["frozen hash brown potatoes", "Velveeta cheese", "Cheddar cheese", "margarine"]