Beef Tenderloin Steaks with Mustard-Cognac Sauce

Perfectly seared beef tenderloin steaks served with an elegant cognac and mustard sauce. The steaks are basted with herbs and garlic butter, then finished with a rich sauce made from shallots, brandy, port, and Dijon mustard.

6 servings
36 min

Ingredients

  • 6 pieces beef tenderloin steaks
  • 2 tablespoons coarse kosher salt
  • 1 tablespoon cracked black pepper
  • 3 tablespoons canola oil
  • 6 tablespoons unsalted butter
  • 4 cloves garlic
  • 2 sprigs fresh thyme
  • 2 sprigs fresh rosemary
  • 1 cup shallots
  • ½ cup Cognac
  • 2 tablespoons tawny Port
  • 3 cups low-salt chicken broth
  • 2 tablespoons Dijon mustard

Cooking Instructions

  1. 1.

    Preheat oven to 250°F. Sprinkle steaks on all sides with salt and pepper. Heat oil in heavy large skillet over high heat. Add steaks and sear until brown, about 2 minutes per side. Reduce heat to medium-low. Add 3 tablespoons butter, garlic, thyme, and rosemary to skillet. Cook steaks to desired doneness, turning occasionally and basting with pan juices, about 12 minutes for medium-rare.

    16 min

  2. 2.

    Transfer steaks to small rimmed baking sheet and keep warm in oven.

    2 min

  3. 3.

    Pour contents of skillet into small bowl. Return 3 tablespoons drippings from bowl to same skillet and place over high heat. Add shallots and sauté 2 minutes. Add Cognac and Port and stir 1 minute, scraping up any browned bits. Add broth and boil until sauce is reduced to 1 cup, about 12 minutes. Whisk in Dijon mustard, then remaining 3 tablespoons cold butter, 1 tablespoon at a time. Season sauce to taste with salt and pepper. Set aside.

    15 min

  4. 4.

    Arrange steaks on plates; whisk any accumulated juices from baking sheet into sauce. Spoon sauce over steaks and serve.

    3 min

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