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Parmesan

Parmesan

In its own language: Parmigiano Reggiano

A hard, aged Italian cheese made from cow's milk in Emilia-Romagna

Photo: Unknown author, CC BY-SA 3.0, via Wikimedia Commons

Parmesan, known in Italy as Parmigiano Reggiano, is a hard, granular cheese made from cow's milk and aged for at least 12 months. Produced in specific provinces of northern Italy, it is protected by law in Europe and recognized for its sharp, savory flavor. It is commonly grated over pasta, stirred into soups, or eaten in chunks.

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  • Aged for at least 12 months before sale
  • Produced only in specific provinces of northern Italy
  • Protected by European law as Parmigiano Reggiano
  • Made from unpasteurised cow's milk and calf rennet
  • October 27 is Parmigiano Reggiano Day

What is Parmesan?

Parmesan is a hard, grainy cheese made from cow's milk, known for its crumbly texture and savory, sharp taste. It is pale yellow and forms large, thick wheels with a natural rind. The cheese is aged for at least a year, which concentrates its flavors and gives it a strong umami character. It is often grated or shaved over dishes, but can also be eaten in small chunks. The aroma is rich and nutty, and the texture becomes more granular as it ages.

Where does Parmesan come from?

Parmesan comes from northern Italy, specifically the provinces of Parma, Reggio Emilia, Modena, Bologna (west of the Reno River), and Mantua (south of the Po River). Its name reflects the regions where it is made. The cheese dates back to at least the 13th century, with legends placing its origin in the Middle Ages in Bibbiano. It has long been prized in Italian cooking and was mentioned in literature as early as 1348. Today, its production is strictly regulated and protected by European law.

How is Parmesan made?

To make Parmesan, unpasteurised cow's milk from two milkings is combined and poured into copper vats. Starter whey and calf rennet are added to curdle the milk, which is then broken into small pieces and heated. The curd settles, is collected in muslin, divided, and placed into molds to form wheels. After imprinting the rind, the cheese is soaked in brine for about three weeks to absorb salt. It is then aged on wooden shelves for at least 12 months, with regular cleaning and turning. Each wheel is inspected and graded before sale.

How and when is Parmesan eaten?

Parmesan is most often grated over pasta, risotto, or soups, adding a salty, savory depth. It can also be shaved onto salads or eaten in small chunks as a snack. The rind, which is hard and flavorful, is sometimes simmered in broths or sauces. Parmesan is enjoyed throughout the year and is a staple in Italian kitchens. It is not tied to a specific meal or occasion, but its presence is common in both home cooking and restaurants.

Kinds of Parmesan

Only cheese made in the designated Italian provinces and following strict rules can be called Parmigiano Reggiano in Europe. Outside the EU, the name Parmesan is used for similar hard cheeses, often produced in the United States or Argentina, but these may differ in aging time and flavor. Some may be sold pre-grated or aged for less than a year. The original has several grades based on quality, and aging can range from 12 to over 36 months.

What Parmesan means

Parmigiano Reggiano is a symbol of Italian food culture and is protected by law in Europe. The cheese is so valuable that it has been used as collateral for loans and has even been targeted by organized crime. The industry employs many workers, including a large number of immigrants. October 27 is celebrated as Parmigiano Reggiano Day, a tradition that began after earthquakes in 2012 damaged local cheese stocks. The cheese is often called the 'king of cheeses' in Italy.

Questions people ask about Parmesan

What is Parmesan made of?

Parmesan is made from unpasteurised cow's milk, calf rennet, and salt. The milk comes from cows fed on grass or hay, and the cheese contains no additives except salt absorbed during brining.

Where does Parmesan come from?

Parmesan, or Parmigiano Reggiano, is produced in northern Italy, specifically in the provinces of Parma, Reggio Emilia, Modena, Bologna (west of the Reno River), and Mantua (south of the Po River).

How is Parmesan used in cooking?

It is commonly grated over pasta, soups, and risotto, or shaved onto salads. The rind can be simmered in broths or sauces, and the cheese can also be eaten in small chunks.

What makes Parmigiano Reggiano different from other Parmesan cheeses?

Only cheese made in the specific Italian provinces and following strict production rules can be called Parmigiano Reggiano in Europe. Other cheeses called Parmesan outside the EU may differ in quality and aging.

How long is Parmesan aged?

Parmesan is aged for a minimum of 12 months, but some wheels are matured for up to 36 months or more, which intensifies the flavor and texture.

Good reading and sources

Where this page comes from

The facts on this page come from the Wikipedia article "Parmesan", written by its contributors and used under the CC BY-SA 4.0 licence, and from its Wikidata record (CC0). Thali rewrote the text in its own words, with AI assistance, and compares every page with the article to make sure no passage is copied. It may be reused under the same CC BY-SA 4.0 licence with a link back.

It may contain mistakes, and it is not dietary or allergy advice: recipes differ from cook to cook. If something is wrong, tell us. Last refreshed 2026-10-03.

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