A Versatile Classic with Endless Possibilities Jump To: RecipesBasic Horseradish SauceCreamy Horseradish SauceTips and Tricks for Using Horseradish What Is Horseradish? Horseradish (Armoracia rusticana) is a perennial root vegetable known for its intense, spicy flavor and aroma. A member of the mustard family, horseradish has been used for centuries as both a condiment and a … Continue reading The Ultimate Horseradish Guide: History, Cultivation, Recipes, Tips, and Recipes