2. In a mixing bowl, combine barbecue sauce, apple cider vinegar, chicken broth, brown sugar, mustard, Worcestershire sauce, chili powder, chopped onion, minced garlic, salt, and pepper.
3. Pour the mixture over the pork shoulder.
4. Cover and cook on low for 8 hours, or until the meat is tender and easily shredded.
5. Remove the pork from the slow cooker and shred the meat using two forks.
6. Return the shredded pork to the slow cooker and mix with the sauce. Serve hot.
Notes:
Serve with buns, coleslaw, or your favorite sides.