Brisket- Kyle's pepper Pasted

3 or 4 lbs brisket 2 tbsp liquid smoke 1 tsp onion salt 1 tsp garlic salt 1 tsp celery salt 2 tbsp Worcestershire sauce 2 tbsp black pepper 1.5 tsp salt Mix 7 ingredients and brush on all sides of met. Wrap in foil and marinate overnight. Cook at 300 degrees for 5 hours. Remove foil; brush with barbecue sauce. Return to oven and brown for 30 minutes. Be sure the foil is tight while cooking so no juices will be lost.