Water chestnutsNot really a nut at all, the water chestnut is actually a corm (bulb-like root). They are flat and round and usually about 3cm in diameter, have papery dark brown skins and are peeled before use to reveal their white flesh.Fresh water chestnuts are popular in Chinese cuisine, but canned, peeled chestnuts are more commonly used in Western cookery. Water chestnuts are prized in...