Gather your ingredients
Score entire bologna with a paring knife ½ an inch deep about every inch horizontally and vertically.
Brush bologna all over with mustard, and sprinkle with barbecue rub.
Gather the ingredients for your bbq sauce.
Whisk ketchup, molasses, vinegar, Worcestershire, mustard, and pepper together in bowl.
Heat oil in medium saucepan over medium heat until shimmering. Add onion and garlic; cook until onion is softened, 2 to 4 minutes
Add chili powder and cayenne and cook until fragrant, about 30 seconds.
Whisk in ketchup mixture and bring to boil.
Reduce heat to medium-low and simmer gently for 5 minutes.
Preheat the smoker to 250 degrees than add bologna
Smoke Bologna for 3 hours.
Once the bologna has finished smoking remove from the smoker and allow it to rest for 5 minutes.
After resting, slice your bologna to the thickness you like.
Then make a sandwich and top with your homemade bbq sauce.
Serve and Enjoy.