Pork Chops In Barbecue Sauce
["4 pork chops", "1 Tbsp. margarine", "1/2 onion, chopped", "1 stalk celery, chopped", "3/8 c. water", "1/2 c. ketchup", "1 Tbsp. vinegar", "1 Tbsp. lemon juice", "1 Tbsp. Worcestershire sauce", "1 Tbsp. brown sugar", "1/2 tsp. dried mustard", "1/2 tsp. salt", "1/8 tsp. pepper"]
["Brown chops in margarine; remove.", "Saute onion until browned. Add remaining ingredients and cook 20 minutes.", "Pour over chops in a baking dish.", "Cover and bake at 350\u00b0 for 1 1/2 hours."]
["pork chops", "margarine", "onion", "celery", "water", "ketchup", "vinegar", "lemon juice", "Worcestershire sauce", "brown sugar", "dried mustard", "salt", "pepper"]