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Million Dollar Roast Beef Tenderloin

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This Million Dollar Roast Beef Tenderloin is an indulgent, melt-in-your-mouth main course featuring perfectly seared beef tenderloin, seasoned and slathered with a garlic herb butter, then roasted to tender perfection.

  • Total Time: 55 minutes
  • Yield: 10 servings

Ingredients

  • 4 to 5 lb. beef tenderloin, trimmed, cut in two pieces, and tied
  • 1 tsp salt
  • 1/2 tsp black pepper
  • 2 tbsp avocado oil
  • 4 tbsp salted butter, softened
  • 2 tsp garlic, minced
  • 1 tsp horseradish (prepared) or Dijon mustard
  • 1 tsp rosemary, minced (or thyme)

Instructions

  1. The day before cooking (optional): Trim the beef tenderloin if needed, cut in half, tuck the thin end under, and tie with butcher’s twine.
  2. Season all over with salt and pepper, then refrigerate uncovered for at least 10 hours or overnight to help develop a flavorful crust.
  3. On the day of cooking: If not pre-seasoned, tie and season the tenderloin. Remove from the fridge and let sit at room temperature for about 2 hours.
  4. Preheat oven to 425°F.
  5. Heat avocado oil in a large cast-iron skillet over medium-high heat. Sear the beef tenderloin on all sides, about 3–5 minutes per side, until golden brown.
  6. In a small dish, mix softened butter, minced garlic, horseradish (or Dijon), and minced rosemary (or thyme).
  7. Spread the butter mixture over the seared beef tenderloin. Insert a probe thermometer.
  8. Place the skillet (or transfer to a baking dish) into the preheated oven and roast for 20–25 minutes or until the desired internal temperature is reached (see notes).
  9. Remove from the oven and transfer to a cutting board. Let rest for 15–20 minutes to allow juices to redistribute.
  10. Slice into 1-inch pieces and serve.

Notes

  • Resting the meat after roasting is crucial to keeping it juicy and flavorful.
  • Internal temperature guide: 120–125°F for rare, 130–135°F for medium-rare, 140–145°F for medium.
  • Tying the tenderloin helps it cook evenly and maintain shape.
  • Refrigerating uncovered overnight helps create a better crust when searing.
  • You can substitute Dijon mustard for horseradish if preferred.
  • Author: Maya
  • Prep Time: 15 minutes
  • Cook Time: 40 minutes
  • Category: Main Dish
  • Method: Roasting
  • Cuisine: American

Nutrition

  • Serving Size: 1 serving
  • Calories: 564
  • Sugar: 0g
  • Sodium: 380mg
  • Fat: 44g
  • Saturated Fat: 18g
  • Unsaturated Fat: 24g
  • Trans Fat: 1g
  • Carbohydrates: 1g
  • Fiber: 0g
  • Protein: 40g
  • Cholesterol: 145mg

Find it online: https://recipeteach.com/million-dollar-roast-beef-tenderloin/