Kohlrabi is unfamiliar to many people except as a very Seuss-ian looking vegetable at the store or Farmers Markets. The flavor ranges from very mild to a little sweet, with faint tones of turnip or daikon in the background. It crisp and sometimes almost succulent, and it can be chameleon-like in taking on the flavors of the surrounding seasonings. Here it acts as a foil to horseradish, with the crunch contrasting with the creamy dressing which plays up the inherent sweetness in the vegetable.