Potato Casserole
["6 to 8 white potatoes", "1 lb. sharp Cheddar cheese", "1 to 2 tsp. minced onion", "1 pt. half and half", "1 stick butter", "salt and pepper to taste"]
["Boil potatoes until done.", "Cool.", "Put in refrigerator overnight.", "Peel and grate potatoes.", "Put a layer of potatoes in a 9 x 13-inch pan.", "Add half of cheese.", "Sprinkle over cheese 1 teaspoon of onion.", "Add another layer of potatoes, cheese and onion.", "Pour the milk over the layers.", "Melt the butter and pour over the top.", "Bake at 350\u00b0 for 30 to 40 minutes."]
["potatoes", "Cheddar cheese", "onion", "butter", "salt"]