As the capital city of Spain, Madrid is nowadays considered one of the most interesting "food towns" in the world. This is perhaps due to the wide variety of specialty dishes that its cuisine boasts, ranging from the old-fashioned and traditional to the modern, and even the futuristic; a cuisine that has consistently received high praise from the likes of New York Times' critic Mark Bittman and TV celebrity chefs such as Anthony Bourdain and Mario Battali, to name just a few. But how did a once humble and unsophisticated city like Madrid become the vibrant food metropolis that it is today?...