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Easy, Creamy Horseradish Sauce for Prime Rib (Steakhouse Flavor)

A slice of roast beef topped with a generous swirl of creamy horseradish sauce for prime rib in a white ramekin.

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Create a bold, tangy, and perfectly balanced creamy horseradish sauce for prime rib. This simple recipe delivers classic steakhouse flavor perfect for holiday roasts or roast beef sandwiches.

Ingredients

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

Instructions

  1. Combine the sour cream and heavy cream in a medium bowl. Whisk until smooth.
  2. Add the drained prepared horseradish, Dijon mustard, and white wine vinegar to the cream mixture.
  3. Stir well to fully incorporate all ingredients.
  4. Season the sauce with salt and black pepper. Taste and adjust seasoning as needed for your preferred heat level.
  5. Cover the bowl and chill the sauce for at least 30 minutes before serving. This allows the flavors to meld.
  6. Serve this zesty horseradish cream as the best sauce for prime rib or roast beef.

Notes

  • Drain the prepared horseradish well; excess liquid makes the sauce thin.
  • For a spicier kick, add a teaspoon of fresh, grated horseradish along with the prepared kind.
  • This sauce keeps well in the refrigerator for up to one week, making it a great make-ahead holiday sauce.

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