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Black Pepper Crusted Beef TenderloinPrep Time 10 minsCook Time 45 minsAdditional Time 20 minsTotal Time 1 hr 15 mins Servings 10 + servingsIngredientsFOR THE BEEF TENDERLOIN:* 4 to 4-1/2 pounds beef tenderloin see notes* kitchen string* olive oil extra light or avocado oil* kosher salt* black pepper coarse, freshly groundFOR THE HORSERADISH CREAM SAUCE:* 1/2 cup plain nonfat greek yogurt* 1/4 cup sour cream* 1/4 cup horseradish prepared* 1 teaspoon oregano fresh, minced* 3/4 teaspoon thyme leaves fresh, minced* 2 to 3 tablespoons heavy cream* 1/2 medium lemon juiced* kosher salt to taste* black pepper to tasteInstructionsFOR THE BEEF TENDERLOIN:* Pull your beef tenderloin out 45 minutes to 1 hour before roasting.* Preheat your oven to 450° and position your oven rack to the second in the bottom third of your oven.* Fold the narrow end underneath so the tenderloin is uniform in thickness. Tie the roast with kitchen string about every 1-1/2 to 2 inches. Trim off excess string. For a how-to video, there is a link in the post.* Brush all sides of the tenderloin with oil. Use tongs to turn the beef, seasoning with kosher salt and cracked black pepper on all sides as well. Use as much or as little of the cracked peppercorn to taste.* Transfer the tenderloin to a rack set into a roasting pan. If the rack isn't already nonstick, you may want to spray with olive oil first.* Insert a oven-safe digital thermometer into the middle of the thickest part of the tenderloin. And if you're able to, set it alert you at your prefered doneness. For rare 125°, medium-rare is 135°, medium is 145° and well 150°.* Roast the tenderloin for 15 minutes then reduce the heat to 325° and cook until the center has reached your prefered doneness.* Meanwhile, prepare the horseradish sauce.FOR THE HORSERADISH CREAM SAUCE:* In a mixing bowl, combine greek yogurt, sour cream, horseradish, oregano, thyme, cream (use 2 to 3 tablespoons depending on your preferred consistency) and fresh lemon juice. Mix well to combine.* Taste and season with salt and pepper to taste