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Quick & Creamy Horseradish Sauce for Prime Rib

A small white ramekin filled with creamy horseradish sauce, topped with cracked pepper and spices.

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Create a zesty, steakhouse-quality creamy horseradish sauce in under 10 minutes. This easy homemade condiment perfectly cuts through the richness of prime rib, roast beef, or steak.

Ingredients

Scale
  • 1 cup sour cream
  • 1/2 cup prepared horseradish, drained well
  • 2 tablespoons mayonnaise
  • 1 tablespoon Dijon mustard
  • 1 teaspoon fresh lemon juice
  • 1/4 teaspoon salt
  • 1/8 teaspoon black pepper

Instructions

  1. Gather all your ingredients. Drain any excess liquid from the prepared horseradish to keep your sauce thick.
  2. In a medium bowl, combine the sour cream, drained prepared horseradish, mayonnaise, and Dijon mustard.
  3. Stir the mixture until all ingredients are fully incorporated and the sauce is smooth.
  4. Add the fresh lemon juice, salt, and pepper. Mix well to distribute the seasoning.
  5. Taste the sauce. If you desire more sharpness, add a small amount more horseradish. If you prefer it tangier, add a few drops more lemon juice.
  6. Cover the bowl and chill the sauce in the refrigerator for at least 30 minutes before serving. This allows the flavors to blend.
  7. Serve this tangy roast beef topping alongside your favorite roast or steak.

Notes

  • For a sauce similar to Ina Garten’s style, focus on using high-quality sour cream.
  • If you are serving this for a holiday roast accompaniment, you can prepare it one day ahead.
  • To achieve a texture closer to Ruth’s Chris copycat sauce, use a full-fat sour cream.

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