Pecorino Romano

Pecorino Romano is the foundational ingredient of Rome’s most iconic pasta dishes. It is a dry, salted sheep’s milk cheese that provides the necessary sharp, savory backbone to cacio e pepe, carbonara, and amatriciana. While its name ties it to the capital, the geography of its production is complex, and its flavor profile is defined entirely by its intense salt content and the distinct characteristics of sheep’s milk.

What it is

Pecorino Romano is a hard, cooked cheese made exclusively from the milk of sheep grazing in the pastures of Lazio, Sardinia, and the province of Grosseto in Tuscany. It is defined by a pale, compact paste and an assertive, piquant flavor. Because it is dry-salted multiple times during the aging process, it is exceptionally firm, making it the standard choice for grating. While often relegated to a kitchen ingredient for finishing dishes, it can be eaten on its own; when young, it is milder and softer, whereas, after eight months of aging, it becomes brittle and pungent.

Origin and history

The cheese dates back to the Roman Empire. Its durability made it a standard ration for Roman legionnaires; it provided a portable source of calories that resisted spoilage during long campaigns. Historically, it was produced in the Agro Romano, the countryside surrounding Rome. Over the 20th century, the production zone was officially expanded to include Sardinia, where the sheep-rearing tradition is robust. Today, the vast majority of Pecorino Romano is produced in Sardinia, though the original Roman specifications remain the governing standard for the Protected Designation of Origin (DOP) label.

How it’s made

The process begins with whole sheep’s milk, which is coagulated using lamb rennet. Once the curd is formed, it is broken down, pressed into cylindrical molds, and then subjected to an intensive salting process. Producers use dry salt on the surface of the wheels repeatedly over a period of months. This rigorous salting dehydrates the cheese, creating a dense, crystalline structure. The minimum aging period for a cheese intended for table consumption is five months, but wheels destined for grating are typically aged for eight months or longer, which concentrates the salt and deepens the sharpness.

Where to eat it

If you are in Rome, you will find Pecorino Romano in every traditional trattoria and osteria. It is the essential component of the city’s “four pastas”: cacio e pepe (pecorino and pepper), carbonara (pecorino, egg, and guanciale), amatriciana (pecorino, tomato, and guanciale), and gricia (pecorino and guanciale). Beyond restaurant kitchens, visit the local alimentari shops in the Testaccio or Trastevere neighborhoods. Look for wedges that are labeled with the DOP stamp to ensure you are buying the genuine product, rather than a generic sheep’s milk cheese.

When and how

Pecorino Romano is available year-round. While most travelers encounter it as a finely grated powder atop pasta, it is worth seeking out in wedges at a cheese counter. Tasting it sliced thinly allows you to appreciate the texture, which ranges from slightly waxy in younger wheels to granular and crystalline in older ones. If the cheese is too intense, pair it with fresh fava beans or pears, both of which provide a sweetness that balances the saltiness of the sheep’s milk.

What to drink with it

The saltiness and fat content of Pecorino Romano require a wine with enough structure to stand up to the cheese without being overwhelmed. A Cannonau di Sardegna—a robust, tannic red wine made from Grenache grapes—is the classic pairing, as it mirrors the rugged, pastoral origins of the sheep milk. If you prefer white wine, choose something with high acidity and mineral notes, such as a Vermentino, which cuts through the density of the cheese. Avoid light, delicate whites, which will vanish against the sharp, lingering finish of the Pecorino.