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The best filet mignon with garlic compound butter on top, sliced open showing medium rare with a cast iron skillet in the background

Best Ever Filet Mignon with Garlic Herb Compound Butter (Reverse Sear)

The best filet mignon you'll ever eat: tender, moist, and oh so juicy. Topped with a super flavorful garlic herb compound butter, this recipe produces an epic meal.

Course Main Course
Cuisine American, French
Keyword compound butter, filet mignon, garlic herb, reverse sear, steak
Prep Time 10 minutes
Cook Time 30 minutes
Standing Time 30 minutes
Total Time 40 minutes
Servings 2 pieces
Calories 898 kcal

Ingredients

  • 2 filet mignon steaks about 6-8 ounces each, about 2" thick
  • 1/2 cup unsalted butter softened
  • 1/4 cup fresh parsley roughly chopped
  • 1-1 1/2 teaspoon garlic roughly chopped
  • 2 tablespoons shallot roughly chopped
  • 1 tablespoon fresh lemon juice
  • 1/2 teaspoon salt
  • fresh cracked black pepper to taste

Instructions

  1. Liberally season steaks on both sides with plenty of salt, as well as fresh cracked black pepper to taste. Place on a wire rack over a baking sheet and let sit at room temperature for at least 30 minutes, preferably a couple hours. If letting stand for more than one hour, keep in refrigerator, then let stand at room temperature 30 minutes before cooking.

  2. Meanwhile, make garlic herb compound butter: place all ingredients in a food processor and process until smooth. Spoon onto a piece of plastic wrap and roll into a log shape. Chill until firm.
  3. Preheat the oven to 250º F. Place the pan with steaks in the oven and insert an internal meat thermometer with probe. For medium rare, cook until the internal temperature reaches 120º Fahrenheit, about 25-30 minutes. Larger or thicker steaks will take longer; I highly recommend using an internal meat thermometer with probe here. To cook filet mignon steaks to a different warmth, like medium or medium well, see note.
  4. Remove from oven when internal temperature reaches 120º F. Preheat a cast-iron skillet over high heat for 5 minutes while steaks rest. Pat steaks dry.
  5. Carefully place steaks in hot skillet and cook 45 seconds; flip and place a pat of garlic herb compound butter, about 1 tablespoon per steak, on top of the filet. Cook another 45 seconds, then flip a couple times until steaks are a richer brown color, about 20-40 seconds total. Press the sides of the filet up against the sides of the cast iron skillet briefly until no longer red or pink. Remove from skillet and serve with more garlic herb compound butter.

Recipe Video

Recipe Notes

To cook your filet mignon steaks to a different temperature, follow this chart:

Rare: Target temperature: 120°-125°F
Remove from oven when internal temperature reaches 110º F.

Medium Rare: Target temperature: 130°-135°F R
emove from oven when internal temperature reaches 120º F.

Medium: Target temperature: 140°-145°F
Remove from oven when internal temperature reaches 130º F.

Medium Well: 150°-155°F
Remove from oven when internal temperature reaches 140º F. 

Well Done: 160°-175°F
Remove from oven when internal temperature reaches 160º F. Can I convince you to cook your steak a bit less? Please?

Nutrition Facts
Best Ever Filet Mignon with Garlic Herb Compound Butter (Reverse Sear)
Amount Per Serving (2 g)
Calories 898 Calories from Fat 747
% Daily Value*
Fat 83g128%
Saturated Fat 44g275%
Cholesterol 241mg80%
Sodium 678mg29%
Potassium 632mg18%
Carbohydrates 6g2%
Fiber 2g8%
Sugar 1g1%
Protein 32g64%
Vitamin A 2050IU41%
Vitamin C 14mg17%
Calcium 49mg5%
Iron 5mg28%
* Percent Daily Values are based on a 2000 calorie diet.