Bourbon-Mopped Pork Collar on the Rotisserie

• 1 piece pork collar (2 ¼–3 ¼ lb)

Rub

• 2 tbsp brown sugar
• 2 tsp whole black peppercorns
• 2 tsp mustard seeds
• 1 tsp paprika powder
• 1 tsp garlic powder
• 1 tsp onion powder

Mop sauce

• 1 cup + 1 tbsp bourbon or any whisky
• ½ cup + ½ tbsp brown sugar
• 1 small grated onion
• 3½ tbsp ketchup
• 3½ tbsp dark syrup
• 2 tsp ground brown mustard seeds