Sheep milk cheese include Pag cheese and Ovidur. Polish sheep milk cheeses include oscypek and bryndza. Portuguese sheep milk cheeses include Castelo Branco, Azeitão, Rabaçal, Saloio, Serpa and Serra. In Spain is Roncal, made in the Roncal Valley, and is protected by the Protected designation of origin (PDO). Other cheeses from Spain are Torta del Casar and Manchego. Sheep milk cheese Sheep milk cheese is a cheese prepared from sheep milk. Well-known cheeses made from sheep milk include the Feta of Greece, Roquefort of France, Manchego from Spain, the Pecorino Romano and Ricotta of Italy. Yogurts, especially some forms of strained yogurt, may
Egyptian cheese or close to it; there was an old dry cheese; and there was a medium one in between." The first would have been unripened cheese made locally from sour milk, which may or may not have been salted. The old dry cheeses would have often been imported, and were cheeses ripened by rennet enzymes or bacteria. The nature of the "medium" cheese is less certain, and may have referred to preserved fresh cheeses, evaporated milk or cheese similar to Indian paneer, where the addition of vegetable juices makes the milk coagulate. Medieval Egyptian cheese mostly used buffalo or cows' milk,