What is Parmigiano Reggiano?
Parmigiano Reggiano — often called "Parmesan" outside Italy — is one of the world's most revered cheeses. Produced exclusively in the Emilia-Romagna and Lombardy regions of Italy, it holds DOP (Denominazione di Origine Protetta) status, meaning every wheel must be produced following centuries-old traditions.
Each wheel weighs approximately 40 kg and takes over 500 liters of milk to produce. The name is literally stamped across the rind of every authentic wheel.
Aging Grades
Parmigiano Reggiano is sold at different aging stages, each with a distinct personality:
| Age | Flavor Profile | Best Use | |-----|---------------|----------| | 12 months (Fresco) | Mild, milky, elastic | Table cheese, melting | | 24 months (Vecchio) | Nutty, sweet, complex | Grating, cheese boards | | 36+ months (Stravecchio) | Intense, crystalline, deeply savory | Shaving over dishes |
The White Crystals Explained
Those crunchy white specks throughout aged Parmigiano are tyrosine crystals — an amino acid that forms during the breakdown of proteins during aging. They are a mark of quality and desirable flavor development, not a defect.
How to Buy the Real Thing
Genuine Parmigiano Reggiano has its name pin-dotted across the entire rind. When buying pre-grated Parmesan in a green shaker — that is not Parmigiano Reggiano. Buy it in wedges, broken from the wheel with an almond-shaped knife, never sliced.
Storage
Wrap tightly in plastic wrap or aluminum foil and store in the coldest part of your refrigerator. A large wedge keeps for 2–3 months. The rind can be frozen and added to minestrone or tomato sauces for incredible depth of flavor.