Barbecued Brisket
["1 (5 oz.) bottle liquid smoke", "1 (5 oz.) bottle Worcestershire sauce", "1 (26 oz.) bottle Heinz catsup", "1 finely chopped onion", "2 Tbsp. sugar", "celery salt (sprinkle on top)"]
["Mix all ingredients except sugar and catsup.", "Marinate brisket overnight (double-wrapped in foil).", "Put in oven at 200\u00b0 to 250\u00b0 for 10 to 12 hours.", "Remove from oven and pour liquid into saucepan.", "Add catsup and sugar.", "Simmer on low heat for 15 minutes.", "Serve over brisket.", "Enjoy!"]
["liquid smoke", "Worcestershire sauce", "catsup", "onion", "sugar", "celery salt"]