01 - Preheat grill or barbecue to medium heat for even cooking.
02 - In a mixing bowl, thoroughly whisk together tomato ketchup, apple cider vinegar, brown sugar, Worcestershire sauce, Dijon mustard, smoked paprika, garlic powder, and black pepper until smooth.
03 - Place sausages on the grill. Cook for 10 to 12 minutes, turning frequently, until evenly browned and fully heated through.
04 - During the last 5 minutes of grilling, brush sausages generously with BBQ sauce, turning to coat all sides for a glossy, caramelized finish.
05 - Serve sausages hot, in buns if desired, accompanied by extra BBQ sauce and selected toppings such as onions, pickles, or coleslaw.