Pork loin (smoked, medium / 145°F)

pork loin · verified system recipe · Weeknight pork-loin technique — hand-curated

Pull at
142°F
Total time
~2.1 hr

Phase timeline

75m
20m
20m
10m
Climb (bare)Stall (none, or very brief)Glaze + pullResttotal: 2h 5m

Step-by-step

  1. 1. Climb (bare)

    → 120°F · ~75 min

    250°F pit (NOT 225°F — pork loin is lean and a hotter pit reduces dry-out time per °F gained). Apple or cherry wood. Pork loin sits at ~6% intramuscular fat, similar to chicken breast on the lean scale — the cook math is closer to chicken than to pork butt. Do not run the pit hotter than 275°F or the exterior gets leathery before the center warms.

  2. 2. Stall (none, or very brief)

    → 135°F · ~20 min

    Pork loin barely stalls. (a) Do not wait for one. (b) Why: lean pork has no collagen network of consequence; you will see at most a 10-min flattening near 130-135°F as surface moisture evaporates. (c) Deviate: if it stalls hard (>25 min), check pit temp — your pit is running cold, not the meat being stubborn. Bump the pit 25°F.

  3. 3. Glaze + pull

    → 142°F · ~20 min

    Brush with apple-cider glaze or maple-mustard at 135°F internal, finish to 142°F internal pull (carryover lands you at 145°F, USDA-safe and juicy). (a) Glaze ONCE, not three times. (b) Why: sugar glazes burn at pit temps above 275°F if layered — a single thin coat caramelizes; three coats turn black. (c) Deviate: for a savory finish (no sugar), skip the glaze and finish bare — pull at 142°F same as above.

  4. 4. Rest

    ~10 min

    Tented foil on the board, 10 min. (a) Tent loose. (b) Why: pork loin redistributes fast (lean cuts always do); 10 min is the full productive window. Past 15 min the slices cool below eating temp. (c) Deviate: for slicing cold for sandwiches the next day, rest 10 min then refrigerate uncovered (rim of the loin firms up, easier to slice thin).

Rub
Salt + brown sugar + smoked paprika + garlic + sage, 3:2:1:1:0.5. (a) What: a moderate sweet-savory rub, applied 1 hour before the pit. (b) Why: pork loin tolerates a touch of sugar (unlike eye of round) because the rendered exterior fat carries it inward; sage cuts the sweetness and reads as classic pork. (c) Deviate: for a porchetta-leaning flavor, swap sage for fennel + rosemary + lemon zest. For a Carolina lean, swap brown sugar for yellow mustard binder + black pepper + cayenne — the mustard chars into a tang that loin can carry.
Spritz / mop
Optional — apple juice once at the 60-min mark. (a) What: a single, light spritz around the 60-min mark, only if the surface looks dry. (b) Why: pork loin's tiny fat cap (if you left one on) handles most surface moisture; a one-time spritz is insurance against surface chalk in dry pits, not a recurring schedule. (c) Deviate: if you have a water pan or a sealed pellet smoker, skip entirely. Do not repeat-spritz a lean cut — same failure mode as eye of round: stretched cook, washed rub.
Wrap method
Do not wrap for medium pull. (a) What: bare the whole way. (b) Why: wrapping a pork loin pushes the internal temp past 145°F in minutes — the lean-meat doneness window is so narrow that the wrap-induced steam-braise hits 155-160°F before you can react, which is shoe-leather territory. (c) Failure mode if you wrap: chalky, dry, gray-pink slices that look exactly like overcooked pork chops — because that is what they are.
Rest method
Tented foil on the cutting board, 10 minutes. (a) Loose tent. (b) Why: same lean-cut principle — 10 min redistributes juices, longer just cools. Pork loin in particular loses eating temp faster than beef because the fat content is so low it cannot buffer heat loss. (c) Deviate: cooler hold ONLY if delaying serving — and pull at 138°F instead of 142°F, since carryover during cooler hold continues past the safe pull window into well-done.
Minimum rest
10 min

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