This pork tenderloin fillet is rubbed with garlic, mustard, and herbs, seared until golden, then roasted and served with a quick pan sauce. It is a straightforward way to make a tender, flavorful centerpiece, and the thermometer—not guesswork—helps keep the lean meat juicy.
Ingredients
- 1 pork tenderloin fillet, about 1¼ lb (570 g), silver skin removed
- 1 tbsp (15 ml) olive oil, divided
- 1 tsp (5 g) Dijon mustard
- 2 garlic cloves, finely grated or minced, about 2 tsp (6 g)
- 1 tsp (1 g) finely chopped fresh rosemary, or ½ tsp (0.5 g) dried rosemary
- 1 tsp (1 g) finely chopped fresh thyme leaves, or ½ tsp (0.5 g) dried thyme
- ¾ tsp (4.5 g) fine salt
- ½ tsp (1 g) freshly ground black pepper
- 1 tbsp (14 g) unsalted butter
- ⅓ cup (80 ml) low-sodium chicken broth
- 1 tsp (5 ml) apple cider vinegar
- 1 tsp (5 ml) honey, optional, for a rounder, slightly sweet sauce
Instructions
- Prepare the pork and oven. Heat the oven to 425°F (220°C). Pat the tenderloin dry with paper towels so it browns rather than steams. If there is a thin, shiny membrane along the surface, slide a small sharp knife just beneath it and trim it away; this silver skin does not soften much during cooking. Tuck any very thin tail end underneath and tie it with kitchen twine if needed, so the meat cooks more evenly.
- Mix the herb rub. In a small bowl, stir together the Dijon, garlic, rosemary, thyme, salt, pepper, and 2 teaspoons (10 ml) of the olive oil. Spread the mixture over all sides of the pork. If time allows, leave it at room temperature for about 10 minutes while the oven heats, but do not leave raw pork out for more than 2 hours total. The recipe’s 20-minute prep estimate includes this brief seasoning pause and other preparation.
- Sear until browned. Heat the remaining 1 teaspoon (5 ml) oil in an oven-safe skillet over medium-high heat. When the oil shimmers, add the pork and sear it for about 1½ minutes per side, turning with tongs to brown the long sides and ends, about 6 minutes altogether. If the herb rub begins to darken too quickly, lower the heat slightly; browned garlic is flavorful, but burned garlic can taste bitter.
- Roast to temperature. Transfer the skillet to the hot oven. Roast for about 15–18 minutes, turning the tenderloin once if one side is noticeably thicker or browning more quickly. Begin checking at 15 minutes: insert an instant-read thermometer into the center of the thickest part, avoiding the pan. USDA FSIS lists 145°F (63°C) followed by a 3-minute rest as the safe minimum for whole cuts of pork. The pork may still look faintly pink at that temperature; color alone is not a reliable measure of doneness.
- Rest the tenderloin. Move the pork to a clean cutting board and let it rest for 8 minutes before slicing. This is longer than the required 3-minute safety rest and gives the juices time to settle. Keep the skillet on a heat-safe surface; its handle will be very hot, so use an oven mitt and remember that it remains hot while you make the sauce.
- Make the pan sauce. With the pork resting, carefully pour off excess fat from the skillet, leaving the browned bits behind. Set the skillet over medium heat, add the broth, and scrape up the browned bits with a wooden spoon. Simmer for about 3 minutes, then stir in the vinegar and optional honey. Turn off the heat and swirl in the butter until the sauce looks glossy, about 2 minutes. Taste and adjust with a small pinch of salt or pepper if needed.
- Slice and serve. Remove any twine and slice the tenderloin across the grain into pieces about ½ inch (1.3 cm) thick. Arrange the slices on a warm platter and spoon over some sauce, serving the rest at the table. If the meat has cooled while you finish the sauce, pour the sauce over just before serving rather than returning the sliced pork to a hot skillet, where it can quickly overcook.
Tips
- Check the cut before buying. Pork tenderloin is a long, narrow, lean muscle, usually around 1–1½ lb (450–680 g). It is not the same as pork loin, which is wider and needs a different roasting time. If your package contains two small tenderloins, cook them side by side but check each one separately because they may reach temperature at different times.
- Use the thermometer in the right place. Insert it into the thickest central section, from the side if that makes it easier to reach the middle. A shallow reading can be misleading, especially with a narrow cut. Start checking early rather than relying only on the clock, since skillet heat, oven calibration, and tenderloin thickness all affect cooking time.
- Swap herbs to suit what you have. Use dried herbs if fresh ones are unavailable, as listed, or replace the rosemary and thyme with 1 teaspoon (1 g) dried Italian seasoning. Dried herbs taste more concentrated and less fresh, so avoid adding a much larger amount. Parsley is better stirred into the finished sauce than used as the main roasting herb.
- Do not skip the rest. Slicing immediately can let more juices run onto the board. Rest the whole tenderloin before cutting, and use a sharp knife to make clean slices. If you have no oven-safe skillet, sear the meat in a regular pan, then transfer it to a small roasting pan; scrape the browned bits into a saucepan for the sauce.
Serving Suggestions
The mustard, garlic, and herbs make this pork easy to pair with simple sides. Serve it with roasted potatoes, mashed potatoes, or buttered egg noodles to catch the pan sauce. For a lighter plate, add green beans, sautéed cabbage, or a crisp salad with a sharp vinaigrette. Roasted carrots, apples, or squash bring a gentle sweetness that works well with the savory pork without making the meal feel heavy.
For a family-style dinner, keep the tenderloin whole until it reaches the table, then slice it and pass the sauce separately. A spoonful of sauce over each portion is usually enough; serving it on the side lets everyone choose how much they want. If the sauce thickens while it stands, whisk in a teaspoon or two of warm broth or water. This dish is also good for a casual dinner with bread to mop up any sauce left on the plate.
Variations
Lemon-herb: Replace the apple cider vinegar with 1 teaspoon (5 ml) lemon juice, and add 1 teaspoon (5 ml) finely grated lemon zest to the rub. The lemon makes the finish brighter. Add the juice at the end rather than simmering it for a long time, which keeps its fresh flavor.
Maple-mustard: Use 2 teaspoons (10 ml) maple syrup in place of the optional honey and increase the Dijon to 2 teaspoons (10 g). The slightly sweeter glaze can brown faster, so watch the skillet during searing and turn down the burner if the garlic or syrup darkens too quickly.
Garlic-free: Leave out the garlic and add ½ teaspoon (1 g) smoked paprika with the herbs. The result is less pungent, with a gentle smoky note. You can also use a small pinch of onion powder, but keep it modest so it does not overpower the delicate meat.
Use another pan sauce: Replace the chicken broth with vegetable broth, or use ⅓ cup (80 ml) unsalted apple juice for a fruitier sauce. Apple juice is sweeter, so omit the honey and add the vinegar gradually to balance it. For a thicker sauce, simmer it for another minute or two before whisking in the butter; avoid adding flour directly to the pan, which can leave lumps.
Storage and Reheating
Refrigerate leftover pork within 2 hours of cooking, in a shallow airtight container with any remaining sauce. It keeps for 3–4 days in the refrigerator. Store the sauce with the sliced meat if you want to help prevent it from drying, or keep it separate if you prefer the slices less saucy. For longer storage, freeze portions in a freezer-safe container for about 2–3 months for best quality, then thaw overnight in the refrigerator.
Reheat only the amount you plan to eat. Warm slices gently in a covered skillet over low heat with a splash of broth or water, turning them once; avoid a hard simmer, which can make lean tenderloin tough. You can also microwave portions in a covered dish in short intervals, stirring or turning the slices between intervals. Reheat leftovers to 165°F (74°C), checked with a food thermometer. The texture is best when reheated gently, but food safety takes priority over keeping the slices pink.
Frequently Asked Questions
Is pork tenderloin the same as pork tenderloin fillet?
In many grocery stores, “pork tenderloin” and “pork tenderloin fillet” refer to the same long, narrow cut. Packaging terms can vary, so check the shape and weight. A pork loin roast is a larger, wider cut and should not be substituted using the same timing without checking its temperature.
Can I cook this without searing it first?
Yes. You can roast the seasoned tenderloin directly in a roasting pan, but you will miss the browned crust and the flavorful bits that form the base of the quick pan sauce. If you skip searing, begin checking the internal temperature early because the oven time may be shorter; cook to the same safe temperature rather than extending the time to match the seared version.
How do I keep pork tenderloin from drying out?
Because tenderloin is lean, the key is to avoid cooking it well past 145°F (63°C), use a thermometer, and let it rest before slicing. Searing adds color and flavor but does not seal in juices. If the fillet is unusually thin at one end, tuck that end under or tie it so the meat cooks more evenly.
Can I prepare the pork ahead?
You can trim and season it up to 8 hours ahead, cover it, and refrigerate it. For more even cooking, take it out while the oven heats, but do not leave it at room temperature for more than 2 hours total. Sear and roast shortly before serving; fully cooked tenderloin is best sliced after its rest rather than cooked far in advance.
What if I do not have an instant-read thermometer?
A thermometer is the most dependable way to know when a narrow roast is safely cooked without drying it out. If you cook pork tenderloin regularly, an inexpensive instant-read model is useful. Cooking time alone is less reliable because thickness and starting temperature vary, and cutting into the center repeatedly to inspect it lets juices escape.
Can I double the recipe?
Yes, roast two tenderloins in separate skillets or on a roomy sheet pan, leaving space between them so hot air can circulate. Sear them in batches if your pan would be crowded. Check each fillet with the thermometer, since the smaller one may finish first, and make the sauce in a skillet that has enough browned bits for the amount of broth.
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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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