1 lb. hamburger
1 onion, chopped
1 green pepper, chopped (optional)
1 tsp. salt
2 tbsp. mustard
2 tbsp. sugar
1 tbsp. vinegar
3/4 c. ketchup
1/2 c. water

Brown hamburger with onions and green pepper. Drain off fat. Add remaining ingredients and simmer until onion and green pepper are tender (at least half an hour for flavors to blend well).