Until recently, many of Spain’s traditional cheeses were unknown outside their homeland. Will travels to the land of Don Quixote to look at the rich ewe’s milk cheese Manchego before visiting a cheese fair in the medieval city of Trujillo to savour Queso de la Serena, made with ewe’s milk and set with thistles. Then he drives to the magnificent Picos Europa mountains to look at cave-ripened Cabrales and Valdeon.