Barbecue Sauce
["1 c. tomato soup (10 1/2 oz.)", "1/2 c. water", "1/3 c. vinegar", "1/2 c. diced onion", "1/4 c. brown sugar", "1 tsp. mustard"]
["Mix well and heat on stove."]
["tomato soup", "water", "vinegar", "onion", "brown sugar", "mustard"]