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Roast Beef Tenderloin with Horseradish Sauce

Sliced roast beef tenderloin topped with creamy horseradish sauce, served on a platter with rosemary and roasted cauliflower.
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This roast beef tenderloin with horseradish sauce recipe delivers a tender, juicy, and flavorful main dish perfect for holidays and celebrations. The creamy horseradish sauce balances the rich beef for an unforgettable meal centerpiece.

Ingredients

Scale
  • 1 (2.5–3 lb) center-cut beef tenderloin, trimmed
  • 1 ½ tsp kosher salt per pound
  • 1 tsp freshly ground black pepper per pound
  • 2 tbsp olive oil
  • 3–4 garlic cloves, minced
  • 1 tbsp fresh thyme, chopped
  • 1 tbsp fresh rosemary, chopped
  • For the horseradish sauce:
  • ½ cup sour cream
  • 2–3 tbsp prepared horseradish
  • 2 tbsp mayonnaise
  • 1 tsp Dijon mustard
  • 1 tsp lemon juice
  • Salt and pepper, to taste

Instructions

  1. Pat the beef tenderloin dry with paper towels. Trim any silver skin and tuck the thin end under. Tie with kitchen twine for even cooking.
  2. Rub the beef with olive oil, salt, pepper, garlic, thyme, and rosemary. Let it rest at room temperature for 30 minutes.
  3. Preheat the oven to 425°F (220°C). Heat a large skillet over medium-high heat and sear the beef on all sides until golden brown.
  4. Transfer to the oven and roast for 20–25 minutes per pound, or until it reaches 135°F (57°C) for medium-rare.
  5. Remove from oven, cover loosely with foil, and rest for 15–20 minutes before slicing.
  6. Meanwhile, make the horseradish sauce: combine sour cream, horseradish, mayonnaise, Dijon mustard, lemon juice, salt, and pepper in a bowl. Mix until smooth and chill until serving.
  7. Slice the beef into ½-inch medallions and serve with the creamy horseradish sauce on the side.

Notes

  • Remove the tenderloin from the oven 5°F before the target temperature; it will continue cooking while resting.
  • Use a meat thermometer for accuracy — it’s the key to perfect doneness.
  • Homemade horseradish sauce offers fresher flavor but store-bought works fine in a pinch.
  • Pair this dish with roasted potatoes, asparagus, or a crisp salad.
  • Wine pairing: Cabernet Sauvignon or Merlot complements the beef’s richness.

Nutrition

Find it online: https://recipeeasily.com/roast-beef-tenderloin-horseradish/