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
Cheese domesticated. Since animal skins and inflated internal organs have, since ancient times, provided storage vessels for a range of foodstuffs, it is probable that the process of cheese making was discovered accidentally by storing milk in a container made from the stomach of an animal, resulting in the milk being turned to curd and whey by the rennet from the stomach. The earliest evidence of cheesemaking in the archaeological record dates back to 5500 BCE and is found in what is now Kujawy, Poland, where strainers coated with milk-fat molecules have been found. Cheesemaking may have begun independently of this