2/3 c. vinegar
2/3 c. worcestershire sauce
1 c. BBQ sauce
1 c. cold water
1 med onion, chopped fine
1 tbsp. mustard
1 bottle catsup
1 tbsp. salt
1 c packed brown sugar

Mix all ingredients and boil 30 minutes slowly. Put in bottles and keep in refrigerator. Great on BBQ sandwiches.