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Pan-Seared Filet Mignon Recipe 20-Minute Easy Herb Butter Sauce

pan-seared filet mignon - featured image

A quick and elegant pan-seared filet mignon with a rich herb butter sauce, perfect for busy nights or special occasions. This recipe delivers a tender, juicy steak with a flavorful crust and silky sauce in just 20 minutes.

Ingredients

Scale
  • 2 filet mignon steaks (6 oz / 170 g each), about 1.5 inches thick
  • Salt and freshly ground black pepper, to taste
  • 1 tablespoon extra virgin olive oil
  • 3 tablespoons unsalted butter, softened
  • 1 teaspoon chopped fresh thyme
  • 1 teaspoon chopped fresh rosemary
  • 2 garlic cloves, minced
  • 1 teaspoon freshly squeezed lemon juice
  • Optional: 1 small shallot, finely chopped

Instructions

  1. Pat the filet mignon dry with paper towels. Season generously with salt and freshly ground black pepper on all sides. Let sit at room temperature for about 10 minutes.
  2. Preheat a cast-iron skillet over medium-high heat and add 1 tablespoon of olive oil. Heat until the oil shimmers but does not smoke, about 2-3 minutes.
  3. Place the steaks in the hot skillet and cook undisturbed for 3-4 minutes for medium-rare, until a deep golden crust forms. Flip and sear the other side for another 3-4 minutes.
  4. Lower heat to medium. Add softened butter, minced garlic, thyme, and rosemary to the pan. Tilt the skillet and baste the steaks with the melted herb butter for 1-2 minutes.
  5. Check doneness with a meat thermometer aiming for 130°F (54°C) for medium-rare or 140°F (60°C) for medium. Remember steaks will continue cooking while resting.
  6. Transfer steaks to a warm plate and tent loosely with foil. Rest for 5 minutes to let juices redistribute.
  7. While resting, mix softened butter with chopped thyme, rosemary, minced garlic, and lemon juice in a small bowl. Adjust seasoning and spoon the herb butter sauce over the steaks before serving.

Notes

Patting the steak dry is essential for a good sear. Use a meat thermometer for perfect doneness. Resting the steak for 5 minutes after cooking ensures juicy results. Avoid overcrowding the pan and lower heat if butter starts to burn. For dairy-free, substitute vegan butter. Dried herbs can be used at half quantity if fresh are unavailable.

Nutrition

Keywords: filet mignon, pan-seared steak, herb butter sauce, quick steak recipe, easy dinner, steak recipe, 20-minute meal