Pecorino Romano is a hard, aged cheese originating from Italy. It's made from sheep's milk and is typically produced in the areas around Rome, Sardinia, and Tuscany. This cheese has a strong and tangy flavor with a subtle sheep's milk aroma. It's commonly used as an ingredient in dishes such as pasta, risotto, or salads, where it adds richness of flavor. It can also be used as a grating cheese. Pecorino Romano is often prized for its bold flavor and aromatic characteristics.