Dr. Pepper Brisket

1 full size brisket
4 c. water
12 oz. Dr. Pepper
3 bottles of barbecue sauce (the cheap stuff)

Place brisket fatty side up in a large roaster pan. Pour water into the pan. Stab the brisket with a knife about ten times. Pour Dr. Pepper over brisket. Pour 1 bottle of barbecue sauce over brisket. Cover. Cook at 300 for about 12-15 hours. I use an electric roaster, but the oven should work just as well. At 8 hours, pour another bottle of barbecue sauce on the brisket. Repeat at 11 hours. Chill the meat before slicing. Reheat and serve.