BARBECUED HAMBURGERS

3 lb. hamburger, brown
1 med. onion, brown with hamburger
2 tbsp. vinegar
2 tbsp. brown sugar
1 tbsp. lemon juice
1 c. catsup
3 tbsp. Worcestershire sauce
1 tbsp. prepared mustard
1/2 tsp. water
1/2 c. tomato sauce
1/2 c. finely chopped celery

Cook together for 15 minutes and then mix together. Can use 4 pounds hamburger with above ingredients.