BARBECUED HAMBURGERS

1 lb. hamburger
Salt
3 tbsp. fat
Onion, diced
1/4 c. celery, diced
1/4 c. green pepper, diced
1 c. catsup or tomato soup
1/3 c. vinegar
1/3 c. water
1 tsp. prepared mustard
1 tbsp. Worcestershire sauce
1 tsp. brown sugar

Brown hamburger, salt, onion, celery and green pepper. Drain off fat. Add remaining ingredients; simmer. Serve on hamburger buns.