01 - Preheat a grill or barbecue to medium heat.
02 - In a mixing bowl, combine tomato ketchup, apple cider vinegar, brown sugar, Worcestershire sauce, Dijon mustard, smoked paprika, garlic powder, and ground black pepper. Whisk until thoroughly blended.
03 - Arrange sausages on the preheated grill. Cook for 10 to 12 minutes, turning frequently, until evenly browned and heated through.
04 - During the final 5 minutes of grilling, generously brush sausages with prepared barbecue sauce, rotating to thoroughly caramelize all sides.
05 - Serve sausages hot, in buns if desired, and accompany with additional barbecue sauce and preferred garnishes.