
Parmesan and Pecorino Romano are both hard, salty cheeses from Italy, frequently used in pasta dishes. They are similar in appearance, but there are some differences. Parmesan is made from cow's milk, while Pecorino Romano is made from sheep's milk. Parmesan has a nutty, salty flavour, while Pecorino Romano has a stronger, grassier, tangier, and saltier flavour. Parmesan is aged for a minimum of 12 months and up to 4 years, while Pecorino Romano is aged for a shorter period of around 5 to 8 months.
| Characteristics | Values |
|---|---|
| Source of milk | Parmesan: Cow |
| Pecorino Romano: Sheep | |
| Flavor | Parmesan: Nutty, salty, sweet |
| Pecorino Romano: Tangy, salty, grassy, earthy | |
| Aging time | Parmesan: 10 months to 4 years |
| Pecorino Romano: 5-8 months, or a few months to a year | |
| Texture | Parmesan: Hard, dry, dense |
| Pecorino Romano: Softer, dense | |
| Rind | Parmesan: Hard, light-yellow |
| Pecorino Romano: Black, waxy | |
| Storage | Parmesan: Unopened block can last up to 6 months in the fridge |
| Pecorino Romano: Unopened block can last up to 6 months in the fridge |
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What You'll Learn

Parmesan is made from cow's milk
Parmesan and Pecorino Romano are two Italian cheeses that share several similarities. Both are hard, dense, salty cheeses that can be grated over pasta or roasted vegetables. They can be used interchangeably, but their distinct characteristics should be noted.
The ageing process also sets these cheeses apart. Parmesan is typically aged for 12 months to 3 years, with some varieties aged for up to 4 years. This longer ageing contributes to its harder, drier texture and more intense flavour. In contrast, Pecorino Romano has a shorter ageing period, usually aged for a few months to a year, resulting in a slightly softer and creamier texture.
When it comes to storage, both cheeses can be wrapped in parchment paper and secured with plastic wrap or foil. Alternatively, they can be placed in a zip-top plastic bag with the air squeezed out. Due to their similar moisture content, Parmesan and Pecorino Romano have longer shelf lives than softer cheeses and are less prone to bacterial growth.
While Parmesan and Pecorino Romano share some similarities, their differences in milk source, flavour, texture, and production methods make them unique cheeses. When used in dishes, these cheeses contribute distinct flavours and characteristics, showcasing the versatility and richness of Italian cuisine.
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Pecorino Romano is made from sheep's milk
While Parmesan and Pecorino Romano may seem similar, they are made from different types of milk and have distinct flavours and textures. Pecorino Romano is made from sheep's milk, while Parmesan is made from cow's milk.
Pecorino Romano's sheep's milk origin gives it a grassy, earthy flavour with a sharp saltiness and a touch of tanginess. It is known for being slightly softer, whiter, and moister than Parmesan, with a black, waxy rind. The minimum ageing requirement for Pecorino Romano is 5-8 months, which makes it typically younger than Parmesan.
Pecorino Romano is a key ingredient in classic Italian dishes such as Basil Pesto and Cacio e Pepe, where its creaminess, saltiness, and tanginess shine through. It is also excellent as a grating cheese over pasta, salads, and gratins.
The production method of using sheep's milk for Pecorino Romano results in a cheese that is distinct from Parmesan. The choice between the two cheeses depends on the desired flavour and texture in a dish.
Pecorino Romano's grassy and tangy flavour, softer texture, and whiter appearance make it a unique cheese in its own right. Its shorter ageing time and origin from sheep's milk contribute to its distinct characteristics compared to Parmesan.
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Parmesan is harder and drier
Parmesan and Pecorino Romano are two distinct varieties of Italian cheese. They share some similarities, but differ in several ways, including texture and taste.
Parmesan is a hard, dry cheese made from cow's milk. It is aged for a minimum of 12 months and up to 4 years, contributing to its hard and dry texture. The ageing process also gives Parmesan its nutty, mellow salty flavour. Longer-aged Parmesans can also have notes of caramel. Parmesan is ideal for shaving or grating over pasta, salads, or roasted vegetables. It can also be thinly sliced and served as an appetizer.
On the other hand, Pecorino Romano is made from sheep's milk, which gives it a grassy, earthy, and tangy flavour. It has a shorter ageing period, typically between 5 to 8 months, resulting in a slightly softer and creamier texture compared to Parmesan. Pecorino Romano is a key ingredient in classic Italian dishes such as Basil Pesto and Cacio e Pepe, where it adds a creamy, salty, and tangy flavour.
While Parmesan is harder and drier than Pecorino Romano due to its longer ageing process, both cheeses are considered hard, salty cheeses. They can be used interchangeably in some dishes, but their distinct flavours and textures should be considered when substituting one for the other.
In terms of storage, both Parmesan and Pecorino Romano are dense cheeses with high moisture content, allowing them to maintain freshness longer than softer cheeses. To ensure maximum freshness, it is recommended to wrap the cheese in parchment paper and secure it with plastic wrap or foil, or store it in a zip-top plastic bag with the air squeezed out.
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Pecorino Romano is whiter and softer
While both cheeses are hard, salty, and frequently used in Italian dishes, there are some differences between Parmesan and Pecorino Romano. One of the most noticeable differences is their appearance. Pecorino Romano is whiter and slightly softer than Parmesan, which is more golden and very hard and dry.
Pecorino Romano is made from sheep's milk, which gives it a grassy, earthy, and tangy flavor. On the other hand, Parmesan is made from cow's milk, resulting in a nuttier flavor. The aging period also affects the taste and texture of the cheeses. Pecorino Romano has a minimum aging requirement of 5 to 8 months, resulting in a slightly more moist and greener-tasting cheese. Parmesan, on the other hand, is aged anywhere from 12 months to 3 years, with some being aged for up to 4 years. The longer aging time of Parmesan contributes to its harder, drier texture and sweeter, more caramelized flavor.
When it comes to using these cheeses in recipes, Pecorino Romano is a key ingredient in classic Italian dishes such as Basil Pesto and Cacio e Pepe. Its tangy, salty, and grassy notes complement these dishes perfectly. Parmesan, on the other hand, is often thinly sliced and served as an appetizer or grated over salads, pastas, or meatballs. It adds a nutty, salty, and savory touch to dishes.
While the cheeses have distinct characteristics, they can be used interchangeably in a pinch. However, it is important to note that Pecorino Romano is saltier and tangier, so adjustments may be needed to balance the flavors.
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Parmesan has a nutty flavour
Parmesan and Pecorino Romano are two distinct varieties of cheese. While they may seem similar, there are some key differences between the two. One of the most noticeable differences is their flavour. Parmesan has a nutty, mellow, and salty flavour, while Pecorino Romano is saltier and tangier, with a grassy and earthy flavour profile.
The nutty flavour of Parmesan is a result of its production method and the type of milk used. Parmesan is made from cow's milk, while Pecorino Romano is made from sheep's milk. The fatty acids present in sheep's milk give it a distinct grassy and earthy taste that is not found in cow's milk.
In terms of appearance, Parmesan has a hard, light-yellow rind, while Pecorino Romano has a black, waxy rind. Parmesan is more golden in colour, while Pecorino Romano is whiter.
The ageing process also plays a role in the flavour of these cheeses. Parmesan is typically aged for a longer period, ranging from 12 months to 4 years. This longer ageing process contributes to the development of its nutty, sweeter flavour profile. On the other hand, Pecorino Romano has a shorter ageing period, usually between 5 to 8 months, resulting in a slightly moister and greener-tasting cheese.
When it comes to usage, both cheeses are commonly used in Italian dishes. Parmesan is often thinly sliced and served as an appetizer or grated over salads, pastas, and meatballs. It adds a savoury, salty touch to sides like Parmesan Broccoli and breakfast dishes like Parmesan Eggs. The rinds of Parmesan are also valuable, as they can be added to stocks, soups, and sauces to enhance their flavour.
Pecorino Romano, on the other hand, is a key ingredient in classic Italian dishes such as Basil Pesto and Cacio e Pepe. It adds a creamy, salty, and tangy flavour to these dishes. Grated Pecorino Romano can also be used to top pasta and salads, providing a tangy-salty contrast.
While Parmesan and Pecorino Romano have distinct flavours and characteristics, they can sometimes be used interchangeably in recipes. However, adjustments may be needed to account for the difference in saltiness and tanginess between the two cheeses.
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Frequently asked questions
Parmesan is made from cow's milk, while Pecorino Romano is made from sheep's milk. Parmesan is harder, drier, and has a nutty, sweeter flavor profile. Pecorino Romano is whiter, slightly softer, and has a grassy, earthy flavor. Parmesan is aged anywhere from 12 months to 4 years, while Pecorino Romano is aged for a few months to a year.
Yes, you can use Pecorino Romano as an alternative to Parmesan, but its flavor is more intense, so consider using one-third less to account for the heightened taste and saltiness.
Both cheeses can be stored in the same way. Wrap the cheese so that it can breathe without letting in too much air. One way is to wrap it in parchment paper and secure the bundle in plastic wrap or foil. You can also put it in a zip-top plastic bag, squeeze out any excess air, and then seal it. An unopened block of either of these hard cheeses can last up to six months in the fridge.
























