Adapted from All Recipes
1 Boston Butt
12 oz bottle Root Beer
bbq sauce
Place the boston butt in a slow cooker; pour the root beer over the meat. Cover and cook on low until well cooked, 8 to 10 hours.
Drain well. Shred meat and discard fat.
Stir in barbecue sauce. Cook an additional 1-2 hours on low.