A small pork tenderloin weighing about 12 to 16 ounces (340 to 454 g) takes roughly 20 minutes to sear and roast, then needs a short rest before slicing. This simple skillet-to-oven method uses garlic, Dijon, and rosemary for a browned exterior and juicy center; a thermometer, not the clock alone, tells you when it is done.
Ingredients
- 1 small pork tenderloin, 12 to 16 oz (340 to 454 g), silver skin trimmed
- 1 tbsp olive oil (15 ml)
- ¾ tsp kosher salt (about 4 g), or ½ tsp fine salt (about 3 g)
- ½ tsp freshly ground black pepper (about 1 g)
- 1 tsp Dijon mustard (5 g)
- 1 garlic clove, finely grated or minced (about 3 g)
- 1 tsp chopped fresh rosemary (about 1 g), or ½ tsp dried rosemary (about 0.5 g)
- 1 tsp unsalted butter (5 g), optional, for finishing
Instructions
- Heat the oven and prepare the pork. Set a rack in the center of the oven and heat it to 400°F (204°C). Pat the tenderloin dry with paper towels. If a thin, shiny strip of silver skin remains, slide a small sharp knife just under it and trim it away without removing much meat. Combine the salt, pepper, Dijon, garlic, and rosemary, then rub the mixture over the tenderloin. Let it sit at room temperature while the oven heats, up to about 10 minutes; do not leave raw pork out for longer than 2 hours.
- Sear the tenderloin. Heat the olive oil in an oven-safe skillet over medium-high heat until it shimmers. Add the pork and sear for about 2 minutes on each of three sides, turning with tongs, for about 6 minutes total. A tenderloin is rounded, so browning three broad sides is usually sufficient. If using a skillet that is not oven-safe, transfer the pork to a small roasting pan after searing.
- Roast until it reaches a safe temperature. Put the skillet in the oven and roast for about 14 minutes. Begin checking the thickest part with an instant-read thermometer around the 12-minute mark; avoid touching the pan or inserting the probe against it. The USDA FSIS safe minimum for whole cuts of pork is 145°F (63°C), followed by a rest of at least 3 minutes. If the center is below 145°F (63°C), return the pork to the oven and check again after 2 minutes. Small tenderloins vary in thickness, so the thermometer reading takes priority over the estimated time.
- Rest, then slice. Transfer the pork to a clean cutting board and rest it for 5 minutes. The required 3-minute safety rest is included in this longer rest. If you like, stir the optional butter into the warm pan juices, keeping in mind that the handle will be hot. Slice the tenderloin across the grain into pieces about ½ inch (1.3 cm) thick, spoon over any juices, and serve while warm.
Tips
- Check the label and shape. Pork tenderloin is a long, narrow, boneless cut; it is not the same as pork loin, which is wider and needs a different cooking time. If your package contains two small tenderloins, cook them side by side with space between them and check each one separately, since they may not be the same thickness.
- Use the thermometer in the thickest spot. Insert the probe from the side toward the center for a small tenderloin. Checking only the color or relying on a fixed number of minutes is less dependable because oven accuracy, starting temperature, and meat thickness all affect timing. A little pink color can remain in pork cooked to the recommended temperature.
- Swap the herbs or mustard to suit your pantry. Thyme can replace rosemary in the same quantity. If you do not have Dijon, use an equal amount of yellow mustard; it gives a milder, slightly sharper flavor. Dried rosemary is more concentrated than fresh, so use the smaller quantity listed.
- Do not skip the rest or crowd the pan. Resting gives the juices time to settle before slicing, while space around the meat helps it brown rather than steam. If the tenderloin is too long for the skillet, tuck the thin tail under itself so the end is less likely to dry out.
Serving Suggestions
Serve the sliced pork with roasted potatoes, rice, buttered noodles, or crusty bread to catch the pan juices. A green vegetable such as broccoli, green beans, or sautéed spinach balances the rich browned meat, and a crisp salad makes the plate feel lighter. For a quick pan sauce, move the cooked pork to its board, pour a few tablespoons (30 to 45 ml) of broth or water into the warm skillet, and scrape up the browned bits. Simmer briefly, then spoon the liquid over the slices; do not use the unwashed plate that held raw pork.
This tenderloin is also easy to serve as a simple weeknight main course: slice it just before eating and arrange it on a warm platter so the juices stay with the meat. If serving guests, keep the sauce and sides ready before the pork comes out of the oven. The five-minute rest gives you time to finish vegetables or bring the rest of the meal to the table without leaving the meat to cool for too long.
Variations
Smoky paprika: Add ½ tsp smoked paprika (about 1 g) to the seasoning mixture. It lends a gentle smoky note and deepens the color without changing the cooking method. For a little heat, add a pinch of cayenne, rather than increasing the salt.
Lemon and thyme: Replace the rosemary with 1 tsp chopped fresh thyme (about 1 g), and finish with a little finely grated lemon zest. Add lemon juice at the table or to the pan sauce after cooking; a squeeze of citrus brightens the flavor without affecting the time needed to roast the pork.
Sweet and savory glaze: Stir 1 tsp maple syrup (5 ml) into the Dijon mixture. Keep the coating thin, because sweet ingredients can darken quickly during searing. If it begins to look too dark in the pan, lower the heat slightly before transferring the skillet to the oven.
Without an oven-safe skillet: Sear the pork in an ordinary frying pan, then move it to a small baking dish. Scrape any browned bits into the dish with the tenderloin and roast as directed. You will not get quite the same direct contact with the hot skillet in the oven, but the method still works; use the thermometer to judge doneness.
Storage and Reheating
Refrigerate cooked pork within 2 hours of cooking, in a covered airtight container. It keeps for 3 to 4 days in the refrigerator. For easier reheating, store slices with any pan juices so they are less likely to dry out. You can freeze portions in a freezer-safe container for about 2 to 3 months for best quality; thaw them in the refrigerator before reheating, rather than on the counter.
Reheat only the portion you plan to eat. Warm slices gently in a covered skillet with a spoonful of broth or water, or microwave them covered in short bursts, turning once if practical. Reheat leftovers to 165°F (74°C), checking the center with a food thermometer. Avoid prolonged high heat, which can make lean tenderloin tough. If the meat smells off, feels unusually sticky, or has been left out beyond the safe window, discard it rather than tasting it.
Frequently Asked Questions
How long does a 1-pound pork tenderloin take in the oven at 400°F?
A tenderloin around 1 pound (454 g) often takes about 12 to 18 minutes in a 400°F (204°C) oven after searing, but its thickness and starting temperature matter. In this recipe, start checking at 12 minutes and expect about 14 minutes of roasting. Cook it to 145°F (63°C) in the center and allow the required rest instead of relying on time alone.
Can I cook a small pork tenderloin without searing it first?
Yes. Place the seasoned tenderloin in a baking dish and roast at 400°F (204°C), checking the temperature after about 18 minutes and continuing as needed. It may take several minutes longer than the seared version, and the outside will be less browned. The same 145°F (63°C) thermometer target and at least 3-minute rest apply.
Should I cover pork tenderloin while it roasts?
No cover is needed for this method. Leaving it uncovered allows the surface to brown. If the meat is in a glass or ceramic baking dish after searing, it can still roast uncovered; just begin checking its temperature on the early side because a small tenderloin can finish quickly.
Can pork tenderloin be a little pink in the middle?
Yes. Pork can look faintly pink and still be safely cooked when a thermometer confirms 145°F (63°C) in the thickest part and it rests for at least 3 minutes. Color alone is not a dependable safety test, and cooking until the center is completely gray can dry out this lean cut.
Is pork tenderloin the same as pork loin?
No. Tenderloin is a narrow, long muscle that cooks relatively quickly. Pork loin is broader and thicker, and a loin roast usually needs a longer cooking time. Check the package name and shape before using a timing estimate; this recipe is written for one small tenderloin, not a loin roast or pork chops.
Can I season the tenderloin ahead?
You can apply the seasoning several hours ahead and keep the pork covered in the refrigerator. For best handling, take it out only while the oven heats and you prepare the skillet; it does not need to warm fully to room temperature. Pat away excess moisture if the surface looks wet, then sear and roast according to the thermometer cues.
Related
- Non-Alcoholic Eggnog Recipe: Creamy, Safe and Easy
- Eggnog Recipe NZ: Creamy, Cooked and Easy to Make
- Eggnog Recipe with Liquor: Smooth, Spiced, and Creamy
More recipes to cook
Safety notes: safe minimum internal temperatures from USDA FSIS; raw and undercooked fish guidance from the U.S. FDA. Food safety notes
Spotted an error? Tell us and we will correct it (corrections policy).