Barbecued Beef Brisket - cooking recipe

Ingredients

7 1/2 lb. brisket
3 oz. liquid smoke
celery salt
onion powder
garlic powder
salt and pepper
Worcestershire sauce
barbecue sauce

Preparation

Cover brisket with liquid smoke.
Add all other ingredients, except barbecue sauce, in generous amount to brisket.
Leave in refrigerator overnight.
Cover; bake at least 5 hours at 275\u00b0. Uncover.
Pour barbecue sauce over meat and bake an additional hour.
May be fixed a day ahead to insure brisket is well done when served.