Barbecue Sauce
["1/2 c. ketchup", "3 Tbsp. vinegar", "1 1/2 Tbsp. oil", "2 Tbsp. water", "2 Tbsp. Worcestershire sauce", "1/4 tsp. salt"]
["Bring to boil.", "Cook 3 minutes, stirring occasionally on low heat."]
["ketchup", "vinegar", "oil", "water", "Worcestershire sauce", "salt"]