01 - Trim excess fat from the pork shoulder and season evenly with salt, black pepper, and smoked paprika.
02 - Place pork shoulder into a slow cooker. Add apple cider vinegar and sprinkle brown sugar over the meat. Cover and cook on low for 8 hours or until the pork is fork-tender.
03 - Transfer cooked pork to a large bowl and shred using two forks. Mix in barbecue sauce until pork is evenly coated.
04 - Allow shredded pork to cool completely. Divide into portions and place in freezer-safe bags or airtight containers.
05 - Thaw portioned pulled pork in the refrigerator overnight. Reheat gently and serve warm on hamburger buns.