What Are Water Caltrops And How Do You Cook With Them? - Chowhound

Tanantornanutra/Getty Images Plants that are common and desired in one area of the world may have a completely different reputation elsewhere, and that's especially true for water caltrops. These edible nuts come from a plant that's long been cultivated in Asia and Europe for food. However, when the plants were introduced to the U.S., people found out the hard way that the plant thrived to the point of being…