People familiar with edible water caltrops often describe their flavor as relatively mild.
The cooked interior can have a starchy, slightly nutty flavor and a firm texture.
That makes them quite different from tree nuts such as almonds or walnuts.
They are also different from the crunchy, pale water chestnuts commonly found in stir-fries.
The name "water chestnut" can therefore be confusing.
Two foods can share a common name while coming from completely different plants.
Are They Nutritious?
The edible seeds of water caltrops contain carbohydrates and plant-based nutrients, and they have traditionally been used as a source of food energy.
Their nutritional composition varies depending on the species, growing conditions, and preparation method.
Like other plant foods, they can contribute nutrients as part of a varied diet.
But social-media posts sometimes go too far by describing unusual traditional foods as miracle foods capable of curing diseases or dramatically changing health.
There is no reason to treat water caltrops as a miracle ingredient.
They are simply an interesting traditional food with a long history of culinary use in certain regions.
Don't Confuse Them With Canned Water Chestnuts
This is especially important.
If you have eaten Chinese or Southeast Asian cuisine, you may already know water chestnuts.
Those are usually the crisp, white slices found in stir-fries, soups, and other dishes.
Despite the shared name, canned water chestnuts are not the same thing as these horned fruits.