Season all sides of the pork butt with AP and The BBQ Rub
Rest the pork butt in a refrigerator for at least 2 hours on a wire cooing rack
Prepare a pellet grill for low and slow smoking at 200°F
Place the pork butt on the cooking grate fat side down.
Smoke for 8 hours at 200°F then raise the cooking temperature to 220°F
Continue to cook until internal temperature reaches 190° or a probe thermometer slides in with little to no resistance.
Remove the pork butt from the grill and rest for 15 minutes before pulling.
