Complex sentence: His book "Kitchen of Light" and the first two seasons of "New Scandinavian Cooking" have had considerable international success, which has been aired in the USA, China, Germany, Italy, Finland and on BBCFood in over fifty countries.
Split into simpler sentences: His book "Kitchen of Light" and the first two seasons of "New Scandinavian Cooking" have had considerable international success. The latter has been aired in the USA, China, Germany, Italy, Finland and on BBCFood in over fifty countries.