Jicama is a root and is generally consumed as a vegetable. It has a high water content and is low in calories with only 25 calories per half cup Missing: forbidden films. I've always like jicama (pronounced HEE-kuh-muh), a starchy, slightly sweet root popular in Mexico. It looks like an ugly brown turnip (and is Missing: forbidden. Jicama is a large, bulbous root vegetable. A bulb may weigh one or two Always Wash Fruits & Vegetables!) With a sharp knife, trim a slice off Missing: forbidden films.