Barbecue - cooking recipe

Ingredients

1 medium onion, chopped
2 stalks celery, diced
1 Tbsp. margarine
2 Tbsp. vinegar
2 Tbsp. brown sugar
2 Tbsp. Worcestershire sauce
1 c. ketchup
1 tsp. mustard
2 1/2 c. water
1 1/2 lb. browned hamburger

Preparation

Saute the onion and celery in the margarine. Add the vinegar, brown sugar, Worcestershire sauce, ketchup, mustard and water. Simmer for 10 minutes.
Add the hamburger.
Simmer until ready to serve.