Smoked Pork Butt Sandwiches

Ingredients

• One 5-pound pork butt
• 2 tablespoons light brown sugar
• 1 tablespoon dry mustard powder
• 1 tablespoon Kosher salt
• 2 teaspoons paprika
• 1 teaspoon chili powder
• 1 teaspoon garlic powder
• 1 teaspoon Freshly ground black pepper
• 1 teaspoon cayenne pepper
• 1/2 teaspoon celery seeds
• Soft white buns
• Sweet and Tangy Vinegar Slaw
• 6 tablespoons apple cider vinegar
• 2 tablespoons Canola oil
• 1 tablespoon mayonnaise
• 1 tablespoon yellow mustard
• 2 tablespoons sugar
• 1 teaspoon celery seeds
• 2 carrots
• 1 small 1 1/2 pound head green cabbage
• 2 tablespoons peeled and grated shallot on large eye of a box grater
• kosher salt
• freshly ground black pepper