At first sight, it's tubular in shape and similar to a small potato. A closer look reveals the knobby skin of ginger or galangal root. When having a bite, there is a light, sweet flavour to it. On chewing it is slightly crunchy, reminiscent of water chestnuts and yam beans (mun kaew). When cooked it can be not only tasty but healthy as well.
Sunchoke trees bear golden-yellow coloured flower heads at the top of their branches.
Guess what it is? Health-conscious people may be able to work it out from the clues, but it may be new to many. The answer is a sunchoke root, aka Jerusalem artichoke, or Helianthus tuberosus, and known in Thai as kaen-tawan.
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