Roasted Garlic Horseradish Sauce

User Reviews

5.0

12 reviews
Excellent
  • Prep Time

    3 hrs 35 mins

  • Cook Time

    1 hr

  • Servings

    16 servings (2 tablespoons)

  • Calories

    50 kcal

  • Course

    Condiments

  • Cuisine

    American

Roasted Garlic Horseradish Sauce

A zesty horseradish cream sauce with caramelized roasted garlic and fresh thyme. Perfect for serving alongside Prime Rib, spread onto steak sandwiches, dolloped onto baked potatoes, or as a dip for shrimp. 

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Ingredients

Servings

Roasted Garlic

  • 1 small head garlic
  • 2 teaspoons olive oil
  • kosher salt

Sauce

  • 1-1/2 cups sour cream
  • 1/4 cup prepared horseradish (see note)
  • 1/2 teaspoon Worcestershire sauce 
  • 1 teaspoon thyme leaves , chopped
  • 1/2 teaspoon kosher salt
  • 1/2 teaspoon freshly-ground black pepper
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Instructions

Roast the Garlic

  1. Preheat oven to 400 degrees F.
  2. Cut the top off of the garlic head, exposing the cloves. Remove any loose papery skins. 
  3. Place garlic head on a square piece of foil large enough to wrap around it fully, or in a small cast iron cocotte. Drizzle garlic with olive oil and season with a pinch of kosher salt. 
  4. Wrap the foil around the garlic to seal, or place the lid on the cocotte. Bake for 40-60 minutes, until golden and caramelized. 
  5. When cool enough to handle, squeeze garlic cloves from their skins and chop finely.

Make the Sauce

  1. In a medium bowl, stir together sour cream, horseradish, Worcestershire sauce, and chopped garlic cloves. Mash some of the chopped garlic with the back of the spoon as you're mixing. 
  2. Stir in thyme, salt, and pepper. Cover and refrigerate for 3-4 hours for the flavors to develop. Season to taste with additional salt and pepper before serving. 

Notes

  • For this sauce, I use refrigerated, jarred "prepared" (or "pure") horseradish. Read the label before buying on this one; it should be simply packed with salt and vinegar. Shelf-stable varieties contain other ingredients and flavoring agents, and will not produce the same results in this sauce. (Read more in my Prepared Horseradish guide.)
  • Heat levels can vary significantly by brand, so adjust the quantity as needed for the horseradish you've purchased. 
  • The sauce's flavor will not be at its most prominent when first mixed but will develop as it rests. If you prefer a milder sauce where the roasted garlic is the more prominent flavor, reduce the prepared horseradish to 2 tablespoons.
  • For easy entertaining, you can roast the garlic up to 5 days in advance and store, wrapped, in the refrigerator.

Nutrition Information

Show Details
Calories 50kcal (3%) Carbohydrates 1g (0%) Fat 4g (6%) Saturated Fat 2g (10%) Cholesterol 11mg (4%) Sodium 107mg (4%) Potassium 46mg (1%) Vitamin A 140IU (3%) Vitamin C 1.9mg (2%) Calcium 29mg (3%) Iron 0.1mg (1%)

Nutrition Facts

Serving: 16servings (2 tablespoons)

Amount Per Serving

Calories 50 kcal

% Daily Value*

Calories 50kcal 3%
Carbohydrates 1g 0%
Fat 4g 6%
Saturated Fat 2g 10%
Cholesterol 11mg 4%
Sodium 107mg 4%
Potassium 46mg 1%
Vitamin A 140IU 3%
Vitamin C 1.9mg 2%
Calcium 29mg 3%
Iron 0.1mg 1%

* Percent Daily Values are based on a 2,000 calorie diet.

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12 reviews
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