01 -
Pat the pork shoulder dry thoroughly with paper towels to remove excess moisture.
02 -
Combine light brown sugar, kosher salt, granulated sugar, garlic powder, mustard powder, smoked paprika, onion powder, black pepper, and red chili flakes in a small bowl.
03 -
Rub the pork evenly with the seasoning blend, then place it into an 8-quart or larger slow cooker. Pour liquid smoke over the roast.
04 -
Cover and cook on low heat for 10 to 12 hours until pork is very tender.
05 -
In a small saucepan over medium heat, whisk together apple cider vinegar, ketchup, light brown sugar, granulated sugar, and salt. Cook until sugars dissolve, about 3 minutes, then remove from heat and stir in red chili flakes and black pepper. Allow sauce to cool.
06 -
Remove pork from slow cooker and discard excess fat as desired. Shred the pork and chop into smaller pieces.
07 -
Return shredded pork to the slow cooker and drizzle with vinegar sauce to taste. Stir well to combine.
08 -
Cook on low for an additional hour to allow flavors to meld together.
09 -
Serve pulled pork on buns with optional coleslaw and additional vinegar sauce as desired.