This garlic-herb pork tenderloin is seared in a skillet, roasted until juicy, then served with a quick mustard pan sauce. It is a straightforward oven method with clear visual cues and thermometer guidance, so it works well for a weeknight dinner or a small gathering.
Ingredients
- 1 pork tenderloin, about 1¼ lb (570 g), silver skin removed
- 1 teaspoon (6 g) fine salt
- ½ teaspoon (1 g) freshly ground black pepper
- 1 teaspoon (2 g) finely grated lemon zest
- 2 garlic cloves, finely grated or minced, about 2 teaspoons (6 g)
- 1 teaspoon (1 g) chopped fresh rosemary, or ½ teaspoon (0.5 g) dried rosemary
- 1 teaspoon (1 g) chopped fresh thyme leaves, or ½ teaspoon (0.5 g) dried thyme
- 1 tablespoon (15 ml) olive oil
- 1 tablespoon (14 g) unsalted butter
- ½ cup (120 ml) low-sodium chicken broth
- 1 tablespoon (15 g) Dijon mustard
- 1 teaspoon (5 ml) lemon juice
- 1 tablespoon (4 g) chopped fresh parsley, for the sauce or garnish
Instructions
- Heat the oven and prepare the pork. Set a rack in the middle of the oven and preheat it to 400°F (200°C). Pat the tenderloin dry with paper towels. If it has a thin, shiny strip of silver skin, slide a small sharp knife beneath it and trim it away without removing much meat. Tuck any very thin tail end under itself and tie it with kitchen twine if needed, so the meat cooks more evenly. Let the pork sit at room temperature while you mix the seasoning, but do not leave it out for an extended period.
- Season the tenderloin. In a small bowl, combine the salt, pepper, lemon zest, garlic, rosemary, and thyme. Rub the mixture over all sides of the pork. The herbs should cling to the lightly damp surface; if the tenderloin is very dry, press the seasoning on rather than adding extra oil. Keep the meat in one piece for roasting rather than cutting it into medallions, which would cook much faster.
- Sear it on all sides. Heat the olive oil in an oven-safe skillet over medium-high heat until it shimmers. Add the tenderloin and sear for about 1½ minutes on each broad side, then turn it to brown the narrower sides, for about 5 to 6 minutes total. Use tongs to turn it carefully. A browned surface adds savory flavor, but the pork does not need to cook through in the skillet.
- Roast to temperature. Transfer the skillet to the preheated oven. Roast for about 12 to 16 minutes, turning the tenderloin once if one side is browning much faster. Start checking the thickest section after 12 minutes: insert an instant-read food thermometer from the side into the center of the meat. USDA FSIS says whole cuts of pork should reach a safe minimum internal temperature of 145°F (63°C), followed by a 3-minute rest. The exact oven time depends on the tenderloin’s thickness and how hot the skillet was, so use temperature rather than color or a fixed time to judge doneness.
- Rest the pork and make the sauce. Move the tenderloin to a clean cutting board, tent it loosely with foil, and rest for 3 minutes while you make the sauce. Set the hot skillet on the stovetop over medium-low heat, using an oven mitt on the handle. Add the butter and broth, scraping up the browned bits with a wooden spoon. Stir in the Dijon and lemon juice and simmer for 2 to 3 minutes, until slightly reduced. Stir in the parsley. If the sauce tastes too sharp, add a spoonful of broth; if it tastes flat, add a small squeeze of lemon.
- Slice and serve. After the required 3-minute rest, cut the tenderloin across the grain into slices about ½ inch (1.3 cm) thick. Spoon a little warm sauce over the slices and pass the rest at the table. The center may remain faintly pink when pork is safely cooked to temperature; a thermometer reading is more reliable than judging doneness by color.
Tips
- Trim silver skin, not all the fat. Silver skin is tough and does not soften during this quick roast, so remove it. A small amount of surface fat can stay; it helps protect the meat as it cooks.
- Choose a skillet that can go in the oven. Stainless steel or cast iron works well. If your skillet has a plastic handle, sear the pork in it, then transfer the tenderloin to a small roasting pan before baking. Never put a pan in the oven unless its handle is oven-safe.
- Do not overcook while waiting for a particular color. Pork tenderloin is lean, and extra time in the oven can make it dry. Check the thickest part with a thermometer and pull the meat once it reaches 145°F (63°C); its brief rest is part of the safe cooking guidance.
- Make the seasoning your own. No fresh herbs? Use the listed dried amounts. If you do not have rosemary or thyme, use 1 teaspoon (1 g) dried Italian seasoning instead; the flavor will be less distinctly woodsy, but still complements the garlic and mustard.
Serving Suggestions
For a simple plate, serve the sliced pork with mashed potatoes, roasted potatoes, or buttered egg noodles to catch the mustard sauce. A green vegetable such as roasted broccoli, sautéed green beans, or steamed peas adds color and a fresh contrast. A crisp salad with a tart vinaigrette is another good choice, especially if the rest of the meal is rich.
If you are planning a fuller dinner, roast carrots or cauliflower on a separate sheet pan while the pork cooks. Start the vegetables earlier if they need more than 20 minutes, and use a separate pan so their moisture does not interfere with browning the meat. Arrange the slices on a warmed platter and spoon the sauce over just before serving; keeping some sauce on the side lets diners choose how much they want.
Variations
Honey-mustard version: Stir 1 tablespoon (21 g) honey into the pan sauce with the Dijon. The sauce will be sweeter and slightly glossier. Taste before adding extra lemon, since the honey changes the balance.
Smoky paprika rub: Add ½ teaspoon (1 g) smoked paprika to the seasoning and leave out the rosemary. This gives the crust a gentle smoky note without changing the roasting method. Avoid using much more paprika in the hot skillet, as spices can scorch during searing.
Apple and onion accompaniment: After moving the pork to rest, cook ½ small sliced onion in the skillet until softened, then add ½ cup (120 ml) broth and ½ cup (75 g) finely diced apple. Simmer until the apple softens, then finish with Dijon and lemon as written. The result is fruitier and a little sweeter than the quick pan sauce.
Make it dairy-free: Replace the butter with 1 tablespoon (15 ml) olive oil. The sauce will be less creamy and have a slightly more pronounced olive-oil flavor, but the browned skillet bits, broth, mustard, and lemon still make a flavorful finish.
Storage and Reheating
Refrigerate leftover pork and sauce within 2 hours of cooking, in separate shallow airtight containers if possible. Cooked pork keeps for 3 to 4 days in the refrigerator. For longer storage, freeze the sliced pork with a little sauce in a freezer-safe container for up to 2 to 3 months for best quality. Thaw it in the refrigerator rather than on the counter.
To reheat, place the pork and sauce in a covered skillet over low heat with a splash of broth or water. Turn the slices once and warm them gently until the leftovers reach 165°F (74°C), checked with a food thermometer. You can also microwave a covered portion in short intervals, stirring or turning the pieces between intervals, until it reaches 165°F (74°C). Reheating slowly with a little liquid helps limit drying, but avoid repeatedly warming and cooling the same portion.
Frequently Asked Questions
Is pork tenderloin the same cut as pork loin?
Pork tenderloin is a long, narrow, especially lean muscle, while pork loin is a much larger and thicker roast. They are not interchangeable at the same cooking time: a loin roast takes longer and needs its own temperature checks. This recipe is written for one tenderloin of about 1¼ pounds (570 g).
How can I tell when pork tenderloin is done?
Use an instant-read food thermometer in the center of the thickest part. For a whole cut of pork, the USDA FSIS safe minimum is 145°F (63°C), followed by a 3-minute rest. Timing varies with thickness, starting temperature, pan, and oven, so the thermometer reading is the dependable cue.
Can I make this without searing the pork first?
Yes. Put the seasoned tenderloin in a lightly oiled roasting pan and roast it at 400°F (200°C), checking the temperature early and often. It may take a few minutes longer than the seared version, and it will not have the same browned crust or skillet bits for the sauce. You can still make the sauce in a saucepan, though its flavor will be less deeply browned.
Can I prepare the pork ahead?
You can trim and season it up to 12 hours ahead, cover it, and refrigerate it. For the best surface browning, pat away any moisture that has collected before searing. Keep raw pork refrigerated until you are ready to cook, and clean utensils and surfaces that touched it before using them for cooked food.
Why did my tenderloin turn out dry?
The most common reason is that it cooked beyond the target temperature; tenderloin is lean and has little fat to cushion overcooking. A smaller or thinner piece can also finish sooner than expected. Start checking early, measure in the thickest section, and slice across the grain after resting. If the meat is already a little dry, serve it with extra warm sauce rather than cooking it again.
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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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