Smoked Pork Tenderloin: Juicy, Tender, and Easy

Smoked pork tenderloin is a lean cut seasoned with a sweet, savory spice rub and cooked gently over wood until juicy and tender. This straightforward smoker recipe finishes with a light apple-juice glaze, and it works well for a weeknight meal or a relaxed cookout.

Ingredients

2 pork tenderloins, about 1–1¼ lb (450–570 g) each, silver skin removed
1 tbsp (15 ml) neutral oil, such as canola or avocado oil
1 tbsp (15 g) packed light brown sugar
1½ tsp (9 g) fine salt
1 tsp (2 g) smoked paprika
1 tsp (3 g) garlic powder
¾ tsp (2 g) freshly ground black pepper
½ tsp (1 g) onion powder
¼ tsp (½ g) ground cumin
⅛ tsp (about 0.3 g) cayenne pepper, optional
1 tbsp (15 g) Dijon mustard
2 tbsp (30 ml) apple juice, plus more if needed for brushing
1–2 small apple or cherry wood chunks, about 1–2 oz (30–60 g), or the amount recommended for your smoker

Instructions

Prepare the smoker. Set up your smoker for indirect cooking at 250°F (121°C), following the manufacturer’s directions. Add a small amount of apple or cherry wood. These mild woods complement pork without making the surface taste harsh; if using a charcoal smoker, avoid adding a large pile of chips, since too much smoke can turn bitter. Let the smoker heat while you prepare the meat.
Trim and dry the tenderloins. Pat the pork dry with paper towels. If a thin, shiny strip of silver skin remains, slide a sharp knife just beneath it and trim it away, taking care not to cut off much meat. Leave the tenderloins whole rather than cutting them into medallions; whole pieces cook more evenly and are easier to monitor with a thermometer.
Mix the rub. In a small bowl, stir together the brown sugar, salt, smoked paprika, garlic powder, black pepper, onion powder, cumin, and optional cayenne. Rub the pork lightly with the oil, then press the spice mixture over all sides. Leave it at room temperature only while the smoker finishes heating, about 10–15 minutes; do not leave raw pork out for an extended period.
Smoke the pork. Arrange the tenderloins on the smoker grate with a little space between them. Close the lid and cook for about 45–70 minutes, turning the pieces once if your smoker has a noticeable hot spot. Keep the lid closed as much as possible so the temperature stays steady. The actual timing depends on the tenderloins’ thickness, the smoker, and outdoor conditions, so use temperature—not the clock—as the doneness test.
Make and apply the glaze. While the pork cooks, mix the Dijon mustard with 2 tablespoons (30 ml) apple juice. When the tenderloins are close to done, brush a thin layer over the top and sides. If the glaze is too thick to spread, stir in another teaspoon of apple juice. Applying it near the end lets it cling to the meat without burning during the longer smoking time.
Check for safe doneness. Insert an instant-read food thermometer into the center of the thickest part of each tenderloin, approaching from the side if that makes it easier to reach the middle. The USDA FSIS safe minimum for whole cuts of pork is 145°F (63°C), followed by a rest of at least 3 minutes. Take each piece off the smoker when it reaches 145°F (63°C); do not judge doneness by color alone. If one piece is ready first, remove it while the thicker one continues cooking.
Rest and slice. Transfer the pork to a clean cutting board and rest it for 10 minutes. This exceeds the required 3-minute safety rest and gives the juices time to settle before slicing. Cut across the grain into slices about ½ inch (1.3 cm) thick. Spoon any juices collected on the board over the slices and serve warm.

Tips

Check the thermometer placement. Pork tenderloin is narrow, so a probe pushed too far can pass through the center and give a misleading reading. Insert it lengthwise into the thickest section, and check both tenderloins because they may finish at different times.
Keep the smoke gentle. A clean, light stream of smoke is preferable to dense smoke. Apple and cherry are good options; a small amount of pecan also works. Strong woods such as mesquite can overpower this lean cut, especially if the pork is exposed to heavy smoke for the entire cook.
Adjust the rub to your pantry. Use regular paprika in place of smoked paprika for a milder, less smoky flavor. If you do not have brown sugar, use the same amount of maple sugar or granulated sugar; the glaze and rub will be a little less molasses-like. Omit cayenne for a mild result.
Do not confuse tenderloin with loin. Pork tenderloin is a small, narrow muscle that cooks quickly. A pork loin roast is much larger and needs different timing, so this recipe’s cooking estimate does not apply to it.

Serving Suggestions

Serve the slices as the centerpiece of a meal with roasted potatoes, corn on the cob, or a simple green salad. A crisp slaw—cabbage with a lightly tangy dressing, for example—balances the sweet glaze and smoky seasoning. For an easy plate, add a baked potato and a green vegetable such as green beans or broccoli.

The pork is also useful for casual gatherings because it can be sliced just before serving and arranged on a warm platter. Offer extra Dijon or a mild barbecue sauce on the side rather than coating every slice; that lets the smoke and spice rub remain noticeable. For sandwiches, layer thin slices on rolls with slaw or pickled onions, and add sauce sparingly so the bread does not become soggy.

Variations

Herb and garlic: Leave out the cumin and cayenne, then add 1 teaspoon (1 g) dried thyme or rosemary to the rub. Use a little lemon zest in the Dijon glaze for a brighter flavor. Dried herbs are convenient here; if using fresh herbs, chop them finely and use about 1 tablespoon (3 g).

Maple-mustard finish: Replace the brown sugar with 1 tablespoon (20 g) maple syrup and mix the glaze with 1 tablespoon (15 ml) Dijon and 1 tablespoon (15 ml) apple juice. Brush it on only during the final minutes of cooking because syrup can darken quickly over heat.

More peppery or spicy: Increase the black pepper to 1¼ teaspoons (about 2.5 g), or raise the cayenne to ¼ teaspoon (about 0.6 g) for a warmer finish. Change the heat gradually; the pork is lean, so a very aggressive rub can dominate its mild flavor.

No smoker available: This recipe is designed for a smoker, but you can cook the seasoned tenderloins over indirect heat on a covered grill held near 250°F (121°C), using a small amount of wood if available. Keep the meat away from the direct flame and use the same thermometer endpoint and rest. The flavor will depend on the grill and may be less consistently smoky.

Storage and Reheating

Refrigerate leftover pork within 2 hours of cooking, in a covered container or tightly wrapped. Properly chilled cooked pork keeps for 3–4 days in the refrigerator. Slice leftovers before storing if you expect to use them for sandwiches, or keep the tenderloin in larger pieces to help limit drying and slice it as needed.

For longer storage, freeze the pork in a well-sealed freezer-safe container or bag for about 2–3 months for best quality. Thaw it in the refrigerator rather than on the counter. To reheat, add a spoonful of water, broth, or apple juice, cover, and warm gently in a low oven or in a covered skillet until the center reaches 165°F (74°C), the USDA FSIS temperature for reheated leftovers. Check with a food thermometer. Thin slices can also be reheated briefly in a covered skillet; avoid prolonged high heat, which can dry them out.

Frequently Asked Questions

How long does pork tenderloin take in a smoker?

At 250°F (121°C), two tenderloins of roughly 1–1¼ lb (450–570 g) each often take 45–70 minutes. Thickness, starting temperature, smoker accuracy, wind, and how often the lid is opened all affect the timing. Begin checking the thickest piece before the low end of the estimate, and remove each tenderloin when its center reaches 145°F (63°C).

Should I wrap pork tenderloin while it smokes?

Usually, no. Tenderloin is small and lean, and it cooks much faster than large barbecue cuts that are commonly wrapped for a long cook. Leaving it uncovered lets the rub and light smoke flavor develop. Wrapping can soften the seasoned surface and is unlikely to save enough time to be worthwhile for this recipe.

Can I season the pork the night before?

Yes. Apply the oil and dry rub, place the tenderloins in a covered container, and refrigerate them overnight. Keep them refrigerated until it is time to cook; there is no need to leave raw pork at room temperature for a long period. The salt may season the meat more thoroughly, and the surface may be a little drier, which can help the rub adhere.

What if I do not have apple juice?

Use water, cider, or orange juice in the glaze. Water keeps the mustard flavor most neutral, while cider gives a similar apple note and orange juice makes the finish sweeter and more citrusy. You can also skip the juice and spread a thin layer of mustard on its own; the glaze will be sharper and less sweet.

Can pork tenderloin still be pink when it is safely cooked?

Yes. Pork cooked to the USDA FSIS minimum of 145°F (63°C) and rested for at least 3 minutes can retain a blush of pink, and color alone is not a reliable safety check. Confirm the temperature in the thickest part with a food thermometer. If you prefer a more well-done texture, you can cook it longer, but the lean meat may become drier.

Can I smoke the tenderloins ahead of time?

For the juiciest texture, smoke them close to serving time, then rest and slice. If you need to cook ahead, chill the pork promptly and refrigerate it within 2 hours; reheat leftovers to 165°F (74°C) before serving. You can also serve it cold in sandwiches, provided it has been stored safely in the refrigerator.

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Safety notes: safe minimum internal temperatures from USDA FSIS; raw and undercooked fish guidance from the U.S. FDA. Food safety notes

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