There’s no need to buy horseradish sauce from the grocery store, not when homemade horseradish sauce is so simple to make and so much better tasting. ... See moreIn this video, Chef John shows you how to make horseradish sauce with pure extra-hot horseradish and crème fraiche or sour cream. All it takes are just a few simple ingredients. For the best results, let the sauce’s flavors combine in the fridge for several hours before serving alongside prime rib, spreading onto a roast beef sandwich, or using as a dip for fresh veggies. Enjoy! Watch the video, then get the recipe for Chef John's Homemade Horseradish Sauce.