Meatballs with Barbecue Sauce

• 3 Tbs. vinegar
• 1 C. ketchup 
• 1/2 C. water
• 2 Tbsp. brown sugar
• 6 Tbsp. chopped onion
• 1/2 tsp. dry mustard
• 1 bay leaf

Combine ingredients and simmer 5 min. Pour sauce over cooked meatballs (store-bought or home-made). Bake in oven for 1 hour at 350'.