Barbecue Brisket
["5 or 6 lb. beef brisket (flat cut) trimmed", "3 oz. liquid smoke", "celery salt", "garlic salt", "onion salt", "Worcestershire sauce", "salt and pepper", "6 oz. barbecue sauce", "2 Tbsp. flour", "1/2 c. water"]
["Place brisket in oblong baking dish; sprinkle with liquid smoke and salts.", "Cover and refrigerate overnight.", "When ready to bake, sprinkle with Worcestershire sauce, salt and pepper.", "Place foil loosely over meat.", "Cook at 275\u00b0 for 5 hours.", "Uncover and pour barbecue sauce over meat.", "Cook without foil for another hour.", "Remove to platter and let cool before slicing.", "Remove fat from sauce remaining in dish.", "Add flour and water to sauce and stir.", "Cook until sauce thickens.", "Serve sauce hot with meat. Serve with rice or potatoes and tossed green salad.", "Makes 10 servings."]
["beef brisket", "liquid smoke", "celery salt", "garlic", "onion salt", "Worcestershire sauce", "salt", "barbecue sauce", "flour", "water"]