01 - Preheat grill or barbecue to medium heat.
02 - Combine ketchup, apple cider vinegar, brown sugar, Worcestershire sauce, Dijon mustard, smoked paprika, garlic powder, and black pepper in a mixing bowl. Whisk until smooth.
03 - Arrange sausages evenly on the grill. Cook for 10 to 12 minutes, turning frequently, until evenly browned and heated through.
04 - During the final 5 minutes of grilling, brush sausages generously with prepared BBQ sauce, turning to caramelize all sides.
05 - Serve sausages hot, in buns if desired. Garnish with extra barbecue sauce and your choice of toppings such as sliced onions, pickles, or coleslaw.