Manchego (officially Queso Manchego) is a cheese made in the La Mancha region of Spain from the milk of sheep of the Manchega breed, which is aged for between 60 days and two years. Manchego has a firm and compact consistency and a buttery texture, and often contains small, unevenly-distributed air pockets.The colour of the cheese varies from white to ivory-yellow, and the inedible rind from yellow to brownish beige.anchego has a firm and compact consistency and a buttery texture, and often contains small, unevenly-distributed air pockets. The colour of the cheese varies from white to ivory-yellow, and the inedible rind from yellow to brownish beige.