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Classic Creamy Horseradish Sauce for Prime Rib

A small white ramekin filled with creamy horseradish sauce for prime rib, sitting on a dark wooden table.

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Make this restaurant-quality creamy horseradish sauce quickly. It delivers the bold, tangy flavor needed to complement 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 wine vinegar
  • 1/4 teaspoon salt
  • 1/8 teaspoon black pepper

Instructions

  1. Drain any excess liquid from the prepared horseradish. Press it gently between paper towels to remove moisture.
  2. In a medium bowl, combine the sour cream and the drained horseradish.
  3. Stir in the Dijon mustard and white wine vinegar.
  4. Mix until all ingredients are fully incorporated and the sauce is smooth.
  5. Season with salt and pepper to taste.
  6. Cover the sauce and chill in the refrigerator for at least 30 minutes before serving to allow the flavors to blend.

Notes

  • For a spicier kick, use freshly grated horseradish instead of prepared, but start with a smaller amount.
  • You can make this sauce ahead of time; it keeps well in the refrigerator for up to one week.
  • This tangy beef topping works well on sandwiches made with leftover roast beef.

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