Picnic Potatoes
["4 to 5 large potatoes, peeled and sliced", "1 stick butter", "1 medium onion, sliced", "Parmesan cheese"]
["Put butter in the bottom of a long cake pan.", "Put a layer of potatoes, then layer with onions, salt and pepper.", "Then sprinkle with Parmesan cheese.", "Make another layer; then sprinkle with Parmesan cheese.", "Bake for 1 hour or until potatoes are tender."]
["potatoes", "butter", "onion", "Parmesan cheese"]