Set Smoker for 275 Degrees F. Brush a light coat of mustard on the pork loin then season with a combined mixture of dry rub and Chinese 5 spice. Smoke Pork Loin for about 90 minutes until the internal temperature reaches 145 degrees F.
Wrap the Pork loin in foil and let it rest for 10-15 minutes before slicing the pork loin as thin as possible. use a slicer if you have one available.
to prepare the Asian BBQ sauce combine all ingredients and stir until smooth. Prepare all other condiments and set aside while pork loin is resting.