Broad beans (Vicia fava) belong to the leguminous family and are rich in minerals with a high amount of iron. They are useful to the circulation of oxygen and to give support to the immune system. It is a common plant throughout Italy, especially in the south, although it is grown all over the world. Recently, China has become a major producer. Bean soup is a dish typical of the rural tradition. You diet leaving out all but the many nutritional benefits of beans. The recipe is simple and requires few ingredients: beans, bacon, parsley, olive oil and onion.