This recipe is perfect for summer barbecues or any time you're craving some delicious pulled pork. Simply season a pork shoulder with your favorite dry rub and add it to your slow cooker with some chopped onions and garlic. Add some barbecue sauce and let it cook on low for 8-10 hours. Shred the pork and serve it on buns with additional barbecue sauce and coleslaw. It's a crowd-pleasing meal that's sure to be a hit!