Good for cooking
Water caltrop is a nutritional food.
Water caltrop with abundant starch, glucose, protein, multiple mineral, multiple vitamins and calcium,etc. is a natural nutritional food. It is a welcome snack during autumn and winter in Taiwan. It can be bombed, fried, steamed, braised, as sweet soup or as a meal.
Good for health
In the Chinese Zhou Dynasty, water caltrop was an important Foods for worship. The Rites of Zhou (2nd century BC) mentioned that a worshipper "should use a bamboo basket containing dried water caltrops, the seeds of Gordon euryale and chestnuts". The Chinese Herbal medicine summary (本草備要 published in 1694, written by Wang Ang 汪昂) indicates that water caltrop can help fever and drunkenness.