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+ servings
parsley, mustard, butter and salt and pepper on a cutting board with plank background.

Mustard and Horseradish Sauce

The best bud for steak or a beef sandwich. Adds great flavor and a spicy kick. Adapted from Epicurious.
Course dressings, Sauces
Prep Time 5 minutes
Total Time 5 minutes
Servings 10


  • 1 cup sour cream Greek yogurt works too
  • 3 Tbsp Dijon Mustard
  • 2 Tbsp prepared horseradish not sauce; you want just horseradish
  • 1 tsp kosher salt
  • ½ tsp ground black pepper


  • In a small bowl, mix all ingredients together until combined. Refrigerate until ready to use. Can be made 2 days ahead.