Which everyday dairy food did Vlach shepherds send from Greek Thessaly and the Pindus mountains to feed Constantinople as early as 1022, and is now so central to Spain's Asturias, home of Cabrales, that the region calls itself 'el país de los quesos'?

Question

Accepted Answer

cheese. Cheese has been made across the Mediterranean since antiquity. Thessaly's mountain shepherds supplied medieval Constantinople with pungent aged rounds, while Asturias in northern Spain produces the powerful blue Cabrales, aged in limestone caves in the Picos de Europa.