How Long to Cook Pork Loin Roast (Bone-In, 4–5 lb / Smoked) in the smoker
Specification: 4.5 lb center-cut bone-in pork loin roast with fat cap crosshatched
3-Step Execution Protocol
Preheat smoker to 225°F (107°C) with your choice of wood. Prepare pork loin roast (bone-in, 4–5 lb / smoked) (4.5 lb center-cut bone-in pork loin roast with fat cap crosshatched).
Cook for 120–150 mins. Do not flip; allow surface to develop undisturbed.
Internal temp reaches 145°F at thickest part with faint blush of pink and juicy interior Confirm internal temperature reaches 145°F (63°C). Rest for 15 minutes before serving.
National Pork Board & USDA FSIS Pork Cooking Guidelines