Raw, it's a little spicy, similar to radishes. Boiled, it's very sweet. It can take the place of carrots and turnips in soups.

The simplest preparation that'll give you an idea of how the ingredients tastes on its own: cut into thin slices and boil in water with a bit of salt and msg (I personally like to use chicken stock).

The outer layer is very tough and fibrous, so make sure to get rid of that first. Depending on the quality of the bulb, you might also end up with one that's fibrous throughout. Those are not pleasant to eat, and if you happen to get one of those, I assure you that it's not a typical experience.