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Keto steak sauce with horseradish and mustard in a white bowl topped with chopped chives and black pepper.
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5 from 2 votes

Horseradish Mustard Sauce

Horseradish Mustard Sauce is so rich, creamy and easy to make.  It’s ready in about 5 minutes with just a handful of ingredients.  Try it with flavorful roast beef, steak, burgers, sandwiches and so much more!
Prep Time5 minutes
Total Time5 minutes
Course: Sauces, Dressings and Dips
Cuisine: American
Diet: Gluten Free, Vegetarian
Method: No cook
Special Diet: Keto, Low-Carb, Low-FODMAP, Paleo, Whole30
Servings: 1.5 cups
Calories: 48kcal
Author: Tracey Hatch-Rizzi

Ingredients

  • ¾ cup sour cream see Notes for a dairy-free version
  • ¼ cup mayonnaise
  • ¼ cup mustard Dijon is best
  • ¼ cup prepared horseradish
  • ½ teaspoon salt
US Customary - Metric

Instructions

  • Add all ingredients to a medium-sized bowl.
  • Stir or whisk until smooth and creamy.

Notes

TIP:  As it chills, the flavors blend and can intensify, so it’s even better as a make-ahead condiment.  It’s best to make it an hour before serving, but isn’t necessary.

How to store

Store in an airtight container for up to 3 weeks or consider freezing.

Variations

  • Spicy sauce – add additional horseradish to taste for a spicier version
  • Dairy-free – replace the sour cream with your favorite paleo or Whole30 mayo
  • Wasabi sauce – use wasabi in place of horseradish

Nutrition

Serving: 2tablespoons | Calories: 48kcal | Carbohydrates: 0g | Protein: 0g | Fat: 5g | Saturated Fat: 1g | Cholesterol: 5mg | Sodium: 260mg | Potassium: 29mg | Fiber: 0g | Sugar: 0g | Net Carbs*: 0g