Hamburger
Carrots
Salt
Potatoes
Onions
Pepper

Put foil in bottom of 9 x 13 inch pan. Place hamburger patties on foil, salt, and pepper; arrange thin sliced potatoes, carrots, and onions on top of each patties. Salt vegetables. Fold foil ends up and roll together. Bake at 350 degrees for 1 hour or until vegetables are tender.