BBQ Pulled Pork and Apple Coleslaw

Ingredients

• 1 (9 pound) whole pork shoulder (blade roast)
• 2 tsp kosher salt
• 1 tsp black pepper
• 2 medium sweet onions, peeled and chopped
• 2 firm apples (granny smiths) peeled, quartered and cored
• 2 large cloves garlic, peeled and smashed
• 1 cup apple cider
• 2 cups original SBR Barbecue Sauce, divided, plus more for topping sandwiches
• 3/4 cup mayonnaise
• 1/2 cup buttermilk
• 2 tbsp apple cider vinegar
• 2 tbsp sugar
• 1 tbsp mustard (Gulden's Spicy Brown)
• 2 tsp celery salt
• 1/4 tsp pepper
• 1/2 tsp salt
• 1 14-oz. bag coleslaw mix (about 6-7 cups)
• 1 cup apple cut into julienne/thin strips