Hijiki (ひじき) is a type of seaweed growing wild on rocky coastlines around Japan, Korea, and China. It’s actually green to brown in color when fishermen and divers harvest in the wild. It is boiled and then dried which process turns hijiki black. So when you buy dried hijiki, you always need to soak in water before cooking.
Hijiki can be found at Japanese supermarkets, Asian grocery stores, and natural food stores.
Recipes Using Hijiki
Most common hijiki dish is this Hijiki Salad, which hijiki is cooked with vegetables and other foods in soy sauce and sugar. Hijiki contains dietary fiber and essential minerals like iron, calcium, and magnesium and this traditional food has been a part of a balanced diet in Japan for centuries.