Marinated Beef Tenderloin with Horseradish Sauce

Marinated Beef Tenderloin with Greek Horseradish Sauce is a thing of beauty and bulk.

Don’t be intimidated, because beef tenderloin is so easy to make you can do it blindfolded.

This is due to the marinade cooked up out of ingredients you most likely have in your cupboard; cooking time is a breeze too.

If you want cooking to rhyme, feel free to use some thyme (rosemary is not necessary).

Seasoned cooks sprinkle a bit extra on top for just in case, since spices have no salt and are rich with antioxidants.

Horseradish sauce is so creamy and dreamy, so do include it in the recipe.

Sour cream and yogurt were used in this instance, but mayonnaise slides down the chute just as well.

TEMPERATURE GUIDE:

Meat varies in thickness from one cut to another, so a meat thermometer will help quite a lot.

Below you’ll find temperature ranges for doneness based on how blue you want your meat.

  • 120º to 125º: rare
  • 130º to 135º: medium-rare
  • 140º to 145º: medium

Creamy, smooth texture in this recipe is all due to Greek yogurt. Plain, full-fat plain Greek yogurt is pretty much the best option but alternatives are OK too – Icelandic plain yogurt (skyr) comes in the full-fat form in many shopping outlets.

Low-fat and non-fat types taste just like you would imagine a rejected yogurt product would so skip them.

They won’t help with ketosis either because they’re typically loaded with sugar to offset the loss of fatty taste.

Marinated Beef Tenderloin with Horseradish Sauce

Print Pin Rate
Servings: 6
Calories: 555.33kcal

Ingredients

For the Beef Tenderloin

  • 1/2 cup Extra-Virgin Olive Oil
  • 2 cloves Garlic smashed
  • 2 tbsp Whole-Grain Mustard
  • 1 tsp Rosemary dried
  • 2-3 sprigs Fresh Thyme
  • 2-3 sprigs Fresh Rosemary
  • 2 Bay Leaves
  • 2 tbsp Red Vinegar
  • Salt and Freshly Ground Pepper
  • 2 1/2 lb Beef Tenderloin

For the Yogurt Sauce

  • 1/2 cup Greek Yogurt
  • 1 tbsp Yellow Mustard
  • 1/4 cup Sour Cream
  • 1 tsp Horseradish
  • 1 tsp Red Pepper Flakes
  • 1/2 Juice of Lemon
  • Kosher Salt

Instructions

  • In a large container combine all ingredients, and add meat.
  • Cover the lid and refrigerate for 2 hours or overnight.
  • Preheat oven to 450 F/220 C.
  • Line a baking sheet with aluminum foil.
  • Remove meat from marinade and pat dry with kitchen paper towel.
  • Season meat generously with the salt and pepper.
  • Place meat in a prepared baking sheet and roast for about 25 to 30 minutes for medium-rare.
  • Use a meat thermometer to check doneness.
  • Allow to cool down for 10 minutes before slicing.
  • In the meantime, combine all ingredients for the sauce.
  • Slice meat and serve with the sauce.
  • Enjoy!

Notes

Net Carbs: 1.61g
Nutrition Facts
Marinated Beef Tenderloin with Horseradish Sauce
Amount Per Serving (9.9 oz)
Calories 555.33 Calories from Fat 489
% Daily Value*
Fat 54.32g84%
Saturated Fat 17.27g108%
Cholesterol 165.63mg55%
Sodium 2542mg111%
Carbohydrates 2.11g1%
Fiber 0.5g2%
Sugar 0.7g1%
Protein 38.28g77%
* Percent Daily Values are based on a 2000 calorie diet.

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