Sloppy Joes

3 lbs. hamburger
1 t. salt
1 c. chopped onion
1 c. ketchup
1 can tomato soup
2 T. vinegar
2 T. worcestershire
2 T. brown sugar

Brown hamburger, drain. Add salt and onion and cook until tender.
Stir in remaining ingrediants and simmer for 30 minutes.