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The Ultimate Easy Beef Tenderloin Recipe

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4.3 from 3 reviews

This Ultimate Easy Beef Tenderloin recipe delivers a tender, flavorful roast perfect for any special occasion. The beef is seasoned with fresh herbs, garlic, and a simple marinade, then slow-roasted in the oven for a juicy, perfectly cooked centerpiece.

  • Author: Lilya
  • Prep Time: 15 minutes
  • Cook Time: 1 hour 10 minutes
  • Total Time: 1 hour 25 minutes
  • Yield: 8 servings
  • Category: Main Course
  • Method: Baking
  • Cuisine: American

Ingredients

Beef Tenderloin

  • 4 Pounds Beef Tenderloin (fat removed and tied two inches apart)
  • 3 Tablespoons Kosher Salt (divided)

Marinade

  • 1/2 Cup Olive Oil
  • 6 Cloves Garlic (mashed)
  • 3 Tablespoons Fresh Rosemary (finely chopped)
  • 2 Tablespoons Fresh Thyme (finely chopped)
  • 2 Teaspoons Onion Powder
  • 1 Teaspoon Ground Black Pepper

Instructions

  1. Preheat Oven: Preheat your oven to 275°F (135°C) to ensure a slow and even roast.
  2. Line Baking Sheet: Line a baking sheet with tin foil and place the beef tenderloin on top.
  3. Rub Salt: Rub half of the kosher salt evenly onto the beef tenderloin and set aside.
  4. Prepare Marinade: In a small bowl, whisk together the olive oil, mashed garlic, chopped rosemary, chopped thyme, onion powder, ground black pepper, and the remaining kosher salt. Taste and adjust seasonings as desired.
  5. Rub Marinade: Rub the marinade all over the beef tenderloin, making sure all sides are evenly coated.
  6. Insert Thermometer: Insert a meat thermometer into the thickest part of the tenderloin to monitor internal temperature during cooking.
  7. Cook Tenderloin: Place the tenderloin in the oven and roast until it reaches your preferred internal temperature: about 130°F for rare (approximately 50 minutes) or 135-140°F for medium-rare (about 1 hour and 10 minutes).
  8. Rest, Slice, and Serve: Remove the beef from the oven and allow it to rest for 10 minutes to let the juices redistribute. Slice the tenderloin and serve hot.

Notes

  • If not using a meat thermometer, cook time can be estimated but monitoring closely is advised to avoid overcooking.
  • Allowing the meat to rest before slicing is crucial for juicy, tender slices.
  • Tying the tenderloin two inches apart ensures even cooking and maintains the shape.
  • Adjust herbs and seasoning according to your taste preference.