What Temp To Cook Filet Mignon

ByLily

Filet mignon rewards precision more than any other cut, and knowing the right internal temperature is everything. If you are wondering what temp to cook filet mignon, the answer depends on how you like your steak done, but the target range runs from 120°F for rare to 160°F for well done. This guide gives you exact numbers, a simple cooking method, and tips to keep this expensive cut tender and juicy.

What Temp To Cook Filet Mignon

The internal temperature is the only reliable way to judge doneness. Time in the pan or oven varies with thickness, starting temperature, and your equipment. A thermometer removes the guesswork.

Here are the target internal temperatures for filet mignon:

  • 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

Pull the steak from the heat about 5°F below your target. Carryover cooking will raise the temperature as the meat rests. For example, pull at 125°F for a final medium rare result of 130°F.

Why Filet Mignon Is Different From Other Steaks

Filet mignon comes from the tenderloin, a muscle that barely works. That means it has very little fat and connective tissue. Less fat means less forgiveness. A ribeye can survive a few extra degrees. A filet turns dry and mealy fast.

Because the cut is so lean, it also cooks quicker than fattier steaks of the same thickness. Keep a close eye on it, especially during the sear.

Best Cooking Method For Accurate Results

The reverse sear is the most reliable method for filet mignon. You cook it gently in a low oven first, then finish it in a hot pan. This gives you even doneness edge to edge.

  1. Pat the steak dry and season generously with salt and pepper.
  2. Let it sit at room temperature for 30 minutes.
  3. Heat your oven to 250°F.
  4. Place the steak on a wire rack over a baking sheet.
  5. Bake until the internal temp reads 10°F below your target.
  6. Heat a cast iron pan over high heat with a little oil.
  7. Sear the steak for 45 to 60 seconds per side.
  8. Add butter, garlic, and thyme during the sear if you like.
  9. Rest the steak for 5 to 10 minutes before slicing.

For a medium rare filet, that means pulling it from the oven at around 115°F, then searing to about 125°F to 130°F.

Pan Searing Only: Temps And Timing

If you skip the oven, use a hot skillet and flip often. A one inch filet takes about 3 to 4 minutes per side for medium rare. A thicker two inch filet needs 5 to 6 minutes per side.

Check the temperature at the 6 minute mark. Once it hits 125°F, take it off the heat. Smaller filets can go from perfect to overcooked in under a minute.

Grilling Filet Mignon

Grilling works well but flare ups are a risk because of the low fat content. Set up two zones: high heat on one side, low heat on the other.

  • Sear over high heat for 2 minutes per side.
  • Move to the cool side and close the lid.
  • Cook until the internal temp reaches 125°F for medium rare.
  • Rest for 5 minutes before serving.

How To Check The Temperature Correctly

Insert the probe into the center of the thickest part of the steak. Avoid touching bone, fat, or the pan. Push the probe in from the side for the most accurate reading on thin cuts.

Use an instant read thermometer. Dial thermometers are slower and less precise. If you cook filet often, a good digital thermometer is worth the money.

Resting Time Matters

Rest the steak on a warm plate for 5 to 10 minutes. This lets the juices redistribute. If you cut too soon, the juice runs out and the meat tastes dry.

Tent it loosely with foil. Do not wrap it tight, or the crust turns soggy.

Common Mistakes That Ruin Filet Mignon

  • Cooking straight from the fridge. A cold center throws off your timing.
  • Skipping the thermometer and guessing by look.
  • Searing on too low heat, which overcooks the inside before a crust forms.
  • Cutting the steak before it rests.
  • Over seasoning with too much salt at the last minute.

One more note. Filet mignon is lean, so it benefits from a little fat. Butter basting or a drizzle of olive oil after cooking adds flavor without hiding the beef.

Quick Temperature Cheat Sheet

  • 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 plus

Most chefs and steak lovers pick medium rare for filet mignon. It stays tender, juicy, and full of flavor. If you prefer medium, aim for 140°F and pull it a few degrees early.

Now you know exactly what temp to cook filet mignon at every level of doneness. Grab a digital thermometer, pick your target number, and pull the steak just before it hits that mark. Your filet will come out right every single time.

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