Oven Pork Tenderloin

Oven Pork Tenderloin makes a generous-looking dinner without a long roasting time. A quick sear gives the outside a golden crust, then the oven finishes the center gently. Sliced mushrooms and a creamy pan sauce turn the tenderloin into a comforting main dish that is just as welcome at a family table as it is for company.

The most useful tool here is a thermometer. Pork tenderloin is a lean cut, and leaving it in the oven too long can dry it out. Pull it when the thickest part reaches 145°F, rest it for at least 3 minutes, and slice only when you are ready to serve.

Recipe at a glance

• Servings: 4
• Prep: 15 minutes
• Searing: 6–8 minutes
• Roasting: about 12–18 minutes
• Rest: 5–10 minutes
• Total: about 45 minutes
• Oven: 400°F (200°C)

Ingredients

• 1 pork tenderloin, about 1 1/4 to 1 1/2 pounds (570–680 g)
• 3/4 teaspoon fine salt, divided, plus more to taste
• 1/2 teaspoon black pepper
• 1 teaspoon paprika
• 1/2 teaspoon dried thyme
• 1 tablespoon olive oil
• 1 tablespoon butter
• 8 ounces (225 g) button or cremini mushrooms, sliced
• 2 garlic cloves, minced
• 1/2 cup (120 ml) low-sodium chicken broth
• 3/4 cup (180 ml) heavy cream
• 1 teaspoon Dijon mustard
• 1 teaspoon cornstarch mixed with 1 tablespoon cold water, optional
• 1 tablespoon chopped parsley

Tenderloin and pork loin are different cuts

Choose a narrow pork tenderloin for this recipe. A larger pork loin roast needs a different cooking time and will not finish on this schedule. If your package contains two tenderloins, weigh and cook them separately or double the other ingredients while giving them room in the pan.

Trim the tough silver skin with a small sharp knife, sliding the blade underneath and angling it toward the membrane rather than deep into the meat. A thin layer of soft fat can stay. Pat the surface dry so it browns instead of steaming.

How to make Oven Pork Tenderloin

Step 1: Season and sear

Heat the oven to 400°F (200°C). Season the trimmed tenderloin with 1/2 teaspoon salt, the pepper, paprika, and thyme. Fold the very thin tail underneath and secure with kitchen string if needed so the meat has a more even thickness.

Heat the olive oil in an oven-safe skillet over medium-high heat. Sear the tenderloin for about 6–8 minutes total, turning to brown the different sides. It should develop a crust but will still be undercooked in the middle. Move directly to roasting after searing.

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Step 2: Roast and rest

Transfer the skillet to the oven and roast for about 12–18 minutes, beginning temperature checks at 10 minutes for a slim tenderloin. Insert the thermometer into the thickest section. Remove from the oven when it reaches 145°F (63°C).

Transfer the pork to a board and rest for 5–10 minutes, at least 3 minutes, while you make the sauce. Keep the hot skillet handle covered with a dry towel or mitt as a reminder that it is hot. Do not slice the meat yet.

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Step 3: Make the creamy mushroom sauce

Set the skillet over medium heat and add the butter and mushrooms. Cook for 5–7 minutes, stirring occasionally, until the mushrooms soften and their liquid cooks away. Add the garlic and cook for 30 seconds. Pour in the broth and scrape up the browned bits.

Stir in the cream, Dijon, and remaining 1/4 teaspoon salt. Simmer gently for 3–5 minutes until lightly thickened. For a thicker sauce, stir in a little of the cornstarch slurry and simmer for another minute; add only as much as needed. Taste before adding more salt.

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Step 4: Slice and serve

Cut the rested tenderloin across the grain into slices about 1/2 inch thick. Add any juices from the board to the sauce. Arrange the pork on a warm platter or in a serving dish and spoon the mushrooms and sauce around it.

Scatter with parsley and serve promptly. Avoid simmering the sliced pork for several minutes in the sauce, which can carry it past its ideal doneness.

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Tips for juicy pork

• Check the temperature early. Diameter matters more than the clock.
• Sear in a hot pan. A dry surface gives better browning.
• Rest before slicing. This also gives you time to finish the sauce.
• Use heavy cream. It tolerates gentle simmering better than milk.
• Keep the sauce at a gentle simmer. A hard boil can reduce it too far and make it greasy.

Variations and serving ideas

Use a mix of button and cremini mushrooms for more earthy flavor. A few fresh thyme leaves are lovely in the sauce, or stir in a small squeeze of lemon at the end if it tastes too rich. Start with a little and taste again.

Serve with mashed potatoes, rice, or buttered noodles to catch the sauce. Broccoli, green beans, and a crisp salad add a fresher contrast. If you are building a larger dinner, Party Potato Puffs make a useful potato side.

Make-ahead and leftovers

Trim and season the raw tenderloin up to a day ahead and refrigerate covered. Slice the mushrooms separately. Sear and roast shortly before serving; do not partially cook the pork and store it to finish later.

Refrigerate cooked leftovers in shallow containers within 2 hours and use within 3–4 days. Keep the pork with a little sauce to protect it from drying out. Reheat covered over gentle heat or in a microwave until 165°F throughout, adding a splash of broth if the sauce thickens.

Freeze promptly cooled portions for up to 2 months for best quality. Thaw in the refrigerator. Cream sauces can separate slightly after freezing; gentle stirring while reheating helps, though the texture may not be quite as smooth as when freshly made.

Frequently asked questions

Can the center be slightly pink?

Yes. Color alone does not establish doneness. A whole pork tenderloin cooked to 145°F and rested at least 3 minutes can retain a light blush.

What if I do not have an oven-safe skillet?

Sear in a regular skillet, then transfer the pork promptly to a small roasting pan. Make the sauce in the searing skillet. Expect some variation in roast time because the second pan starts cooler.

Can I skip the mushrooms?

Yes. Soften a finely diced shallot in the butter instead, then add the broth and continue with the sauce.

Why did my pork turn dry?

It likely cooked beyond its target temperature or was reheated for too long. Check the thickest part early and use the thermometer reading rather than waiting for the meat to look fully gray.