Sprinkle both sides of brisket with salt, pepper and garlic powder. Place in a large covered roasting pan.
Cook covered with no water at 325 degrees F (160 degrees C) allowing 1 hour per pound.
Before last hour of cooking, remove brisket and slice. Return slices to pan and add barbecue sauce mixed with water. Cover meat with sauce, cover, and cook 1 hour longer.
Notes
This was taken from www.allrecipes.com ...its a favorite of my family...