A tuber used as a vegetable with the shape of a large turnip that has a brown skin and white flesh. Many different sizes are harvested with some weighing as much as six pounds. Jicama is native to Mexico and parts of South America and is very popular in Asia. It can be chopped or sliced and its sweet flavor and crunchy texture is excellent in salads and side dishes. It also adds flavor to cooked dishes such as soups, stews, and entrees.