Two hours south of San Diego, next to the foothills of Ensenada, Baja California, lies a neatly manicured green field. From a distance it looks like grass or maybe onion shoots, amazon ferrous fumaratebut as you get closer, you see that it’s something very different. It appears to be small sprouts of asparagus that have been painted bright green. This is salicornia – also known as sea asparagus or sais ferrous gluconate over the countermphire – and the ingredient for Green Salt.