BAR-B-Q HAMBURGER

1 c. catsup
1/2 c. water
2 tbsp. sugar
2 tsp. prepared mustard
2 tbsp. vinegar
2 tsp. Worcestershire sauce
2 lbs. hamburger
1 c. chopped onion

Put in pint jar and shake well. Brown 2 pounds hamburger and 1 cup chopped onions in a little fat. Add salt and pepper to taste. When meat is browned, drain off fat and blend in barbecue sauce. Simmer uncovered 15 minutes. Serve on hot buns.