Pecorino di Osilo Slow Food Presidium is a prized and unique cheese, made exclusively with raw sheep's milk from a single farm in the historic region of Osilo, Sardinia. This pecorino is characterized by its smaller size compared to typical Sardinian pecorinos, with a reduced diameter and greater edge height. This cheese is protected by the Presidium, an organization that brings together local producers and promotes the creation of a dedicated association. A strict production specification has been established to ensure the quality and authenticity of Pecorino di Osilo. Only local breeders can produce this pecorino, and only shepherds from the historic production area around the municipality of Osilo are allowed. The Presidium's specification prohibits the use of milk from multiple farms or from sheep raised in stalls, thus ensuring that each form of Pecorino di Osilo is genuine and respects the ancient traditions of the region.