Pork Chop Barbecue
["1/2 c. water", "1/4 c. vinegar", "2 Tbsp. sugar", "1 Tbsp. ground mustard", "1 1/2 tsp. salt", "1/2 tsp. pepper", "1/4 tsp. cayenne pepper", "1 slice lemon", "1 medium onion, sliced", "1/2 c. ketchup", "2 Tbsp. Worcestershire sauce", "1 to 2 tsp. liquid smoke (optional)", "6 (1/2-inch) pork chops"]
["Mix water, vinegar, sugar, mustard, salt and peppers.", "Add lemon and onion.", "Simmer 20 minutes.", "Add the ketchup, Worcestershire sauce and liquid smoke.", "Bring to a boil.", "Place pork chops in a dish and pour sauce over them.", "Bake uncovered in a 350\u00b0 oven 1 hour and 25 minutes, turning chops over once or until chops are done.", "I usually make a double batch of sauce, because I find that one is not enough."]
["water", "vinegar", "sugar", "ground mustard", "salt", "pepper", "cayenne pepper", "lemon", "onion", "ketchup", "Worcestershire sauce", "liquid smoke", "pork chops"]