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Million Dollar Roast Beef Tenderloin

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This Million Dollar Roast Beef Tenderloin is a show-stopping dish featuring a beautifully seared and roasted tenderloin, slathered in garlic herb butter for a flavorful, melt-in-your-mouth experience—perfect for holidays or special occasions.

  • Author: Tina
  • Prep Time: 15 minutes
  • Cook Time: 40 minutes
  • Total Time: 55 minutes
  • Yield: 10 servings
  • Category: Main Dish
  • Method: Roasting
  • Cuisine: American

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 butter, salted, softened

2 tsp garlic, minced

1 tsp prepared horseradish or Dijon mustard

1 tsp fresh rosemary or thyme, minced

Instructions

  1. If not already trimmed, remove silverskin and excess fat from beef tenderloin. Cut in half, tuck the pointed end, and tie into a uniform shape with butcher’s twine.
  2. Season all over with salt and pepper. Optionally, refrigerate uncovered overnight to develop a crust.
  3. Bring tenderloin to room temperature for about 2 hours before cooking.
  4. Preheat oven to 425°F (218°C).
  5. Heat avocado oil in a cast-iron skillet over medium-high heat. Sear the tenderloin on all sides, about 3–5 minutes per side.
  6. In a small dish, combine softened butter, garlic, horseradish (or Dijon), and rosemary. Slather mixture over seared beef.
  7. Insert a probe thermometer and transfer skillet to oven, or use an oven-safe dish. Roast for 20–25 minutes or until desired internal temperature is reached (see notes).
  8. Remove from oven and rest on cutting board for 15–20 minutes before slicing into 1-inch thick pieces.

Notes

  • Optional chilling step helps create a great crust.
  • Use a probe thermometer for best results and avoid overcooking.
  • Temperature guide: Rare (115–120°F), Medium Rare (120–125°F), Medium (130–135°F).
  • Letting the meat rest ensures juicy, even slices.

Nutrition

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