How Long To Cook A Beef Tenderloin In Oven

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Beef tenderloin is a premium cut that requires careful timing to achieve the desired doneness without overcooking the center. If you are wondering how long to cook a beef tenderloin in oven, the answer depends on the weight of the roast and the final temperature you want. This guide gives you exact times, temperatures, and simple steps for a perfect result.

You do not need to be a chef to get this right. You just need a meat thermometer and a little patience. Let’s walk through the timing so your roast comes out tender and juicy every time.

How Long To Cook A Beef Tenderloin In Oven

The total cooking time for beef tenderloin in the oven is usually 35 to 55 minutes for a 2 to 3 pound roast at 425°F (220°C). The exact time depends on the size of the meat and how done you like it.

Here is a quick time chart based on a 2 to 3 pound center-cut tenderloin roasted at 425°F:

  • Rare (120°F to 125°F): 35 to 40 minutes
  • Medium Rare (130°F to 135°F): 40 to 45 minutes
  • Medium (140°F to 145°F): 45 to 50 minutes
  • Medium Well (150°F to 155°F): 50 to 55 minutes

For larger roasts, add about 5 to 7 minutes per extra pound. Always check the internal temperature, not just the clock. The meat will also rise 5 to 10 degrees while it rests.

Why Cooking Time Changes With Oven Temperature

Most recipes use a high heat of 425°F to 450°F. This sears the outside and keeps the inside tender. If you cook at a lower temperature like 350°F, the roast will take longer, often 50 to 65 minutes.

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High heat works best for tenderloin because the cut is lean and has little fat. A hot oven gives you a nice brown crust without drying out the center.

How To Cook A Beef Tenderloin In Oven Step By Step

Follow these simple steps for a reliable result. This method works for a 2 to 3 pound roast.

  1. Take the tenderloin out of the fridge 30 to 40 minutes before cooking. This helps it cook evenly.
  2. Preheat your oven to 425°F (220°C).
  3. Pat the meat dry with paper towels. Dry meat browns better.
  4. Rub the roast with olive oil, salt, and pepper. You can add garlic or herbs if you like.
  5. Place the tenderloin on a rack in a roasting pan. The rack keeps the bottom from steaming.
  6. Insert a meat thermometer into the thickest part of the meat.
  7. Roast in the oven for 10 minutes at 425°F, then lower to 400°F for the rest of the time. Some cooks skip this step and keep it at 425°F the whole way.
  8. Start checking the temperature at the 30 minute mark. Do not rely on time alone.
  9. Pull the roast out when it is 5 to 10 degrees below your target temperature.
  10. Cover it loosely with foil and let it rest for 10 to 15 minutes before slicing.

The resting step is not optional. It lets the juices settle so they stay in the meat instead of running onto the cutting board.

How Long To Cook A Beef Tenderloin In Oven Per Pound

If you want a simple rule, plan on 15 to 20 minutes per pound at 425°F for medium rare. A 2 pound roast takes about 35 to 40 minutes. A 3 pound roast takes about 45 to 50 minutes.

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Remember that this is only a guide. Ovens run hot or cold, and the shape of the roast matters too. A long, thin tenderloin cooks faster than a short, thick one.

Best Internal Temperatures For Beef Tenderloin

Use these numbers for the perfect doneness. Check the temperature in the center of the thickest part.

  • Rare: 120°F to 125°F
  • Medium Rare: 130°F to 135°F
  • Medium: 140°F to 145°F
  • Medium Well: 150°F to 155°F
  • Well Done: 160°F and above (not recommended for tenderloin)

Keep in mind that the temperature will climb 5 to 10 degrees as the meat rests. So if you want medium rare at 135°F, pull it out at 125°F to 130°F.

Tips For A Perfect Beef Tenderloin

These small tips make a big difference in the final result.

  • Let the meat sit at room temperature before cooking. Cold meat cooks unevenly.
  • Trim the silver skin and excess fat before roasting. It can be tough and chewy.
  • Use a digital meat thermometer. It is the only sure way to know when the meat is done.
  • Tie the tenderloin with kitchen twine if it is uneven. This helps it cook at the same rate.
  • Do not open the oven door often. Each time you do, the heat drops.
  • Sear the meat in a hot pan first if you want a deeper crust. Then finish it in the oven.
  • Let the roast rest before slicing. Cut it too soon and the juice will run out.

Common Mistakes To Avoid

Many home cooks overcook tenderloin because they trust the clock more than the thermometer. Do not do that. Tenderloin has very little fat, so it dries out fast.

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Another common mistake is slicing the roast right away. The meat needs time to rest. If you skip this step, the center will be dry even if you cooked it perfectly.

Also, avoid cooking at a low temperature for a long time. Tenderloin is best with high heat and a short cooking time. Slow roasting can make the meat tough and gray.

What To Serve With Beef Tenderloin

This roast pairs well with simple sides. Try roasted potatoes, green beans, or a fresh salad. A red wine sauce or horseradish cream adds a nice touch.

You can also slice the leftover tenderloin thin for sandwiches the next day. Store it in the fridge for up to three days.

Now you know exactly how long to cook a beef tenderloin in oven. Use the chart, watch the temperature, and let it rest. You will get a tender, juicy roast that looks and tastes like it came from a steakhouse.