Perfect Roast Beef Tenderloin (Print Version)

# Ingredients:

→ Main

01 - 4 to 5 pounds beef tenderloin, trimmed, cut in two pieces and tied

→ Seasoning & Butter

02 - 1 teaspoon salt
03 - 1/2 teaspoon black pepper
04 - 2 tablespoons avocado oil
05 - 4 tablespoons salted butter, softened
06 - 2 teaspoons minced garlic
07 - 1 teaspoon prepared horseradish or dijon mustard
08 - 1 teaspoon minced rosemary or thyme

# Instructions:

01 - Trim and cut tenderloin in half, tie with butcher's twine. Season with salt and pepper, leave uncovered in fridge overnight or at least 10 hours.
02 - Remove meat from fridge 2 hours before cooking. Preheat oven to 425°F.
03 - Heat oil in large cast-iron skillet over medium-high heat. Sear tenderloin 3-5 minutes per side until golden-brown crust forms.
04 - Mix softened butter, garlic, horseradish and herbs. Coat seared tenderloin with butter mixture.
05 - Insert probe thermometer and roast 20-25 minutes until desired temperature. Let rest 15-20 minutes before slicing.

# Notes:

01 - For rare, cook to 115-120°F
02 - For medium rare, cook to 120-125°F
03 - For medium, cook to 130-135°F