Edamame beans are a type of soybean that is harvested before it matures and is usually served in its pod. They are a popular snack in Japan and other parts of Asia, and are becoming increasingly popular in the United States. Edamame beans are high in protein and fiber, and are a good source of vitamins and minerals. They can be boiled, steamed, or stir-fried and are often served as an appetizer or side dish.