3 lbs. lean ground beef
1 tsp. salt
8 sm. carrots
8 slices onion
4 to 6 potatoes
8 celery pieces
Mushrooms (optional)
Green peppers (optional)
1 tsp. mustard
1/2 c. vinegar
1/2 c. catsup
2 tbsp. melted butter
1 tbsp. Worcestershire sauce or lemon juice
Salt and pepper

Form 8 large hamburger patties. Place patty on square of foil. Place potatoes and carrots in salted boiling water for a few minutes, then put all vegetables around each patty. Mix other ingredients, pour some on each patty. Wrap tightly. Place foil packets in large flat roasting pan and bake at 375 to 400 degrees for an hour or more. This meal will keep in the oven for quite some time.