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Easy Creamy Horseradish Sauce for Prime Rib

A small white ramekin filled with creamy horseradish sauce for prime rib, topped with spices.

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Make this bold, tangy, restaurant-style horseradish sauce at home in five minutes. It is the best sauce for prime rib, roast beef, or steak.

Ingredients

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  • 1 cup sour cream
  • 1/2 cup prepared horseradish, drained
  • 1 tablespoon Dijon mustard
  • 1 teaspoon white vinegar
  • 1/4 teaspoon salt
  • 1/4 teaspoon black pepper

Instructions

  1. Drain the liquid from the prepared horseradish. Press it gently between paper towels to remove excess moisture.
  2. In a medium bowl, combine the sour cream, drained horseradish, Dijon mustard, and white vinegar.
  3. Whisk the ingredients together until the mixture is smooth and fully combined.
  4. Stir in the salt and black pepper.
  5. Taste the sauce. If you want more heat, add a small amount of additional drained horseradish.
  6. Cover the bowl and chill the horseradish sauce for at least 30 minutes before serving. This allows the flavors to blend.

Notes

  • For a tangier, steakhouse sauce flavor, you can substitute half of the sour cream with heavy cream or mayonnaise.
  • If you are making this ahead for a holiday roast, the sauce keeps well in an airtight container in the refrigerator for up to two weeks.
  • This zesty beef topping is excellent on roast beef sandwiches or served with beef tenderloin.

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