Since 1938. When it can be made better, we will make it. Perfect for crab, shrimp, oyster and fried seafood. kelnershorseradish.com. www.besthorseradish.com. Facebook. Pinterest. Visit www.besthorseradish.com. Have you tried? Kelchner's Tartar sauce. Horseradish. Sriracha sauce. Cocktail sauce. Hot mustard.