A 2 lb (907 g) pork tenderloin roast takes about 25–35 minutes in a 400°F (204°C) oven, though its thickness matters more than its weight. Season it simply, roast until a thermometer reads 145°F (63°C), then rest it before slicing for tender, juicy pork.
Ingredients
- 1 pork tenderloin roast, about 2 lb (907 g); if using two tenderloins to make up the weight, roast them side by side without stacking
- 1 tbsp (15 ml) olive oil
- 1 tsp (5 g) fine salt
- ½ tsp (1 g) freshly ground black pepper
- 1 tsp (3 g) garlic powder
- 1 tsp (2 g) paprika, sweet or smoked
- 1 tsp (1 g) dried thyme, or 1 tbsp (3 g) fresh thyme leaves
- 1 tbsp (15 g) Dijon mustard
- 1 tbsp (15 ml) lemon juice, optional, for serving
- ½ cup (120 ml) low-sodium chicken broth or water, optional, for the roasting pan
Instructions
- Heat the oven and prepare the pan. Set a rack in the center of the oven and preheat to 400°F (204°C). Line a small rimmed baking sheet or roasting pan with foil for easier cleanup, or use a lightly oiled oven-safe skillet. Let the oven finish heating while you season the pork; there is no need to leave raw pork sitting out to come to room temperature.
- Trim and dry the pork. Blot the tenderloin all over with paper towels. If a thin, silvery membrane is visible on the surface, slide a sharp knife just beneath it and trim it away, taking care not to remove much meat. A little exterior fat can stay. If you have two pieces, keep them separate and arrange them with a little space between them so hot air can circulate.
- Season it evenly. Stir together the salt, pepper, garlic powder, paprika, and thyme. Rub the tenderloin with olive oil and Dijon, then coat all sides with the seasoning mixture. Press the seasoning on so it adheres, especially along the tapered ends. The mustard adds a mild tang and helps the spices stick; it will not make the finished roast taste strongly of mustard.
- Roast and begin checking early. Set the pork in the prepared pan, with the thicker end toward the outside of the pan if using a skillet. Roast uncovered for about 25–35 minutes. Start checking at 22 minutes because tenderloins vary in thickness and two separate pieces may finish at different times. If using the optional broth, pour it into the bottom of the pan rather than over the seasoned meat; it helps keep drippings from scorching but is not necessary for roasting.
- Use a thermometer to determine doneness. Insert an instant-read thermometer into the thickest part of the meat, avoiding the pan and any large seam. The USDA FSIS safe minimum for whole cuts of pork is 145°F (63°C), followed by a 3-minute rest. Remove the roast from the oven when it reaches 145°F (63°C); do not rely on the clock or on the color of the center alone. If you have two tenderloins, check each one separately and remove each as it reaches temperature.
- Rest, then slice. Transfer the pork to a cutting board and rest it for 10 minutes before cutting. The USDA-required three-minute rest is met within this longer rest, and waiting also makes the meat easier to slice without losing as much juice. Cut across the grain into slices about ½ inch (1.3 cm) thick. Spoon any pan juices over the slices, and add the optional lemon juice just before serving.
Tips
- Check what cut you bought. Pork tenderloin is a long, relatively narrow muscle; pork loin roast is a wider, thicker cut and needs a different cooking time. If a package marked “tenderloin” contains two smaller pieces, they can be roasted together, but their cooking times depend on each piece’s thickness. A single 2 lb tenderloin is unusually large, so use the thermometer rather than assuming it will need the full time.
- Keep the surface dry for better seasoning. Patting the pork dry helps the oil-and-spice coating cling and prevents excess surface moisture from steaming the meat. Do not rinse raw pork in the sink; splashing can spread raw-meat juices to nearby surfaces.
- Adjust the flavor without changing the method. No Dijon? Use 1 tbsp (15 g) yellow mustard, which gives a sharper, more familiar mustard note, or leave it out and use a little extra olive oil. You can swap the thyme for rosemary, but use about ½ tsp (0.5 g) dried rosemary because its flavor is more assertive.
- Use a thermometer in the thickest section. The thin tail can be done well before the center. If it begins to brown too quickly, loosely tent the pan with foil near the end; do not wrap the pork tightly, which traps steam. Avoid cutting into it repeatedly to judge doneness, since that releases juices and still does not give a dependable temperature reading.
Serving Suggestions
Serve the sliced pork warm with the pan juices, roasted potatoes, rice, or buttered noodles. A green vegetable such as green beans, broccoli, or sautéed spinach balances the savory seasoning, while a crisp salad with an apple or mustard vinaigrette works well for a lighter plate. For a simple sauce, pour the pan drippings into a small saucepan, add a splash of broth, and simmer briefly; taste before adding salt because the seasoned pork juices may already be salty.
If you want to make the meal ahead in parts, prepare the vegetables while the pork roasts and let them finish as the meat rests. Slice the tenderloin just before serving rather than leaving it cut on a platter for a long time; the larger pieces hold their moisture better. Leftover slices are also good tucked into a sandwich with greens and a little mustard, or served cold over a grain bowl.
Variations
Herb and lemon: Replace the paprika with ½ tsp (1 g) finely grated lemon zest and use rosemary in place of thyme. Add lemon juice after roasting rather than before it goes into the oven, so the citrus stays bright. This version pairs especially well with potatoes or white beans.
Smoky spice: Use smoked paprika and add ½ tsp (1 g) ground cumin. The combination gives the outside a warm, smoky flavor without requiring a grill. Serve it with rice, roasted corn, or a cabbage slaw.
Maple-mustard finish: Stir 1 tbsp (15 ml) maple syrup into the Dijon and oil before coating the pork. The sweet coating can brown faster, so begin checking the surface and internal temperature early; if it darkens too much, loosely cover it with foil. This adds a lightly sweet glaze rather than changing the roasting temperature.
Garlic-herb pan sauce: After removing the pork, set the oven-safe pan over medium heat if it is suitable for the stovetop. Add ½ cup (120 ml) broth and scrape up the browned bits, then simmer for a few minutes. Stir in 1 tsp (5 g) butter or a small squeeze of lemon if desired. The sauce is optional; the roast does not need extra liquid to cook properly.
Storage and Reheating
Refrigerate leftover pork within 2 hours of cooking, in a shallow airtight container. It keeps for 3–4 days in the refrigerator. Store the meat with a little pan juice if available, which helps it stay moist, and keep any sides in separate containers. For longer storage, freeze well-wrapped portions for about 2–3 months for best quality; thaw them in the refrigerator rather than on the counter.
To reheat, place slices in a covered oven-safe dish with a spoonful of broth or pan juices and warm at 300°F (149°C) until the center reaches 165°F (74°C), the safe temperature for reheated leftovers. Check with a food thermometer. A microwave also works: cover the slices, heat in short bursts, and turn or rearrange them between bursts for more even warming. Reheating can dry lean tenderloin, so use a little liquid and stop as soon as it reaches the required temperature.
Frequently Asked Questions
How long does a 2 lb pork tenderloin take at 400°F?
Plan on about 25–35 minutes at 400°F (204°C), with roughly 30 minutes as a useful estimate for this recipe. Thickness, the number of pieces, and how accurately the oven holds its temperature all affect the timing. Begin checking early and use 145°F (63°C) in the thickest part as the doneness measure.
Should I cover pork tenderloin while it roasts?
No, roast it uncovered so the surface can brown. If the outside becomes darker than you want before the center reaches 145°F (63°C), loosely lay foil over the pan for the remaining cooking time. Covering it from the start tends to trap steam and gives the exterior less color.
Is pork tenderloin the same as pork loin roast?
No. Tenderloin is a narrow, lean cut that cooks relatively quickly, while pork loin is wider and generally takes longer because of its size and shape. Check the package label and the roast’s thickness; do not use tenderloin timing for a large pork loin roast.
Can I roast two tenderloins at once?
Yes. Arrange them in one layer with space between them. They can share the oven and seasoning, but do not assume they will finish together: a thinner piece may reach 145°F (63°C) before the thicker one. Check each piece separately and remove each when it reaches the safe minimum.
Can pork tenderloin be a little pink in the middle?
Yes. Pork cooked to the USDA FSIS safe minimum of 145°F (63°C), followed by at least a 3-minute rest, can retain a slight blush of pink. Color alone does not tell you whether it is safely cooked, so check the thickest part with a food thermometer.
Why did my tenderloin turn out dry?
Lean tenderloin dries out when it is cooked well beyond its target temperature or sliced immediately without resting. Check it early with a thermometer, remove it at 145°F (63°C), and let it rest for 10 minutes before slicing across the grain. If the meat is already cooked, serve it with pan juices or a little warm broth to make the slices more pleasant.
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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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