Dinner In Foil
["hamburger patties", "1 slice onion", "2 potato slices", "1 tomato slice"]
["Starting with a patty, place 4 ingredients on a large sheet of foil.", "Season to taste.", "Wrap and seal.", "Bake at 350\u00b0 for 45 minutes."]
["hamburger", "onion", "potato slices", "tomato slice"]