(Undaria pinnatifida)This alga grows like a giant oak leaf on the coasts of Galicia and can measure up to 1.5 metres long. Rich in calcium, iodine, proteins and fibre, it is one of the most suitable sea vegetables for eating raw in salads or for those who are learning to cook with algae. It is highly versatile and can be used in soups, rice, with other vegetables, baked, or boiled in pie fillings, etc