Texas Barbecue Sauce
["2 c. ketchup", "1/4 c. vinegar", "1/4 c. Worcestershire sauce", "1/4 c. sugar", "2 tsp. Tabasco (optional)", "1/4 c. lemon juice", "1/2 c. water", "1 large onion, chopped"]
["Combine ingredients and simmer 20 minutes over medium heat."]
["ketchup", "vinegar", "Worcestershire sauce", "sugar", "lemon juice", "water", "onion"]