01 - Preheat grill or barbecue to medium heat.
02 - In a mixing bowl, whisk together 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 heated through.
04 - During the last 5 minutes of grilling, brush sausages generously on all sides with barbecue sauce, turning to glaze and caramelize.
05 - Serve sausages hot, in buns if desired, with remaining barbecue sauce and preferred toppings such as sliced onions, pickles, or coleslaw.