01 - Preheat 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 black pepper. Whisk until fully blended.
03 - Arrange sausages on the preheated grill. Cook for 10 to 12 minutes, turning frequently, until evenly browned and thoroughly heated.
04 - During the final 5 minutes of grilling, brush sausages with prepared barbecue sauce, turning to caramelize all sides evenly.
05 - Remove sausages from grill. Serve hot in buns if desired, accompanied by remaining barbecue sauce and selected toppings.