This creamy, spicy condiment also makes a nice accompaniment to Mom’s Pot Roast or beef sandwiches. Feel free to play with the concept, using more or less horseradish, eliminating the sour cream for a spicier sauce, or using a sweet and spicy mustard in place of the Dijon.
1Combine the horseradish, mustard, buttermilk, sour cream, pepper, salt, and rosemary in a small bowl and stir to mix. Add more salt and pepper to taste. Serve immediately or refrigerate in an airtight container for up to 1 week.
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