Homemade Barbecue Sauce
["1 c. catsup", "1/3 c. vinegar (white)", "2 Tbsp. brown sugar", "1 whole onion, chopped", "chili powder to taste", "mustard to taste", "Worcestershire sauce to taste"]
["Bring to a boil.", "Simmer 20 minutes, covered with lid.", "Stir occasionally."]
["catsup", "vinegar", "brown sugar", "onion", "chili powder", "Worcestershire sauce"]