1. Place chuck roast in crock-pot
2. combine remainign ingredients in large bowl.
3. pour BBQ sauce mixture over chuck roast. Cover and cook on low 8-10 hours or on high 4-5 hours. Watch, you may need to add some water
4. Remove roast and shred with a fork. Add meat back to crock pot and stir evenly to coat with sauce
5. serve on sandwich buns.