Which cheese from Italy is famous for its granular texture and nutty flavor, often aged for up to 24 months?

Often referred to as Parmesan, Parmigiano-Reggiano cheese comes from the Emilia-Romagna region of Italy. It is aged for a minimum of 12 months, with many reaching 24 months or more. The aging process develops its rich, nutty flavor and granular texture, making it a prized ingredient in Italian cooking.