White Kidney Beans Select It is a dry legume of national origin, its cultivation origin belongs to Castilla y León. The white beans are among the most prized and exquisite in Spanish gastronomy. Their color is creamy white, with a very smooth skin, oblong and elongated shape. Once cooked, these White Kidney Beans maintain their shape wonderfully. They stand out for their high protein content, carbohydrates, fiber and iron.