2 tbsp. fat
1 med. onion
1/2 tsp. salt
1/2 tsp. mustard
1/2 c. water
1 (8 oz.) tomato sauce (I use ketchup)
1 tbsp. vinegar
2 tbsp. brown sugar
1 tbsp. Worcestershire sauce

Brown onion in fat. Add rest of ingredients and simmer, stirring well. Baste chicken while barbecuing or pour over chicken and bake. Also good on spareribs or hamburgers.