Beef Tenderloin With Horseradish Sauce

• sour cream↗1 cup
• mayonnaise↗1⁄4 cup
• prepared horseradish↗5 tablespoons
• Dijon mustard↗4 tablespoons
• chopped fresh parsley2 tablespoons
• Worcestershire sauce↗2 tablespoons
• crushed dried rosemary↗1 teaspoon
• kosher salt↗1⁄2 teaspoon
• cracked peppercorn (medley of black, white, green, pink, etc.)1⁄2 teaspoon
• (4 lb) beef tenderloin, tied and trimmed1

Step-by-step instructions

1. 1

   Combine sour cream, mayonnaise, 3 T. horseradish, 2 T. mustard and 1 T. parsley; refrigerate.

2. 2

   Preheat oven to 425 degrees. Combine remaining 2 T. horseradish and 2 T. mustard with Worcestershire, rosemary, salt and peppercorns. Spread mixture over all sides of beef.

3. 3

   Place beef in roasting pan. Roast until meat thermometer inserted into center of beef registers 145 degrees, 50-60 minutes. Let stand 10 minutes before slicing.

4. 4

   Remove string from meat and slice. Sprinkle with remaining 1 T. parsley. Serve with horseradish sauce.