
Cheese skin, also known as a rind, is formed during the aging process and can be eaten. It is composed of accumulated dead mold and bacteria with some milk fat and proteins. The mold is added to the cheese either during the make (poured into the fluid milk) or sprayed onto the wheels in the aging room. There are four types of cheese rinds: non-edible, made from wax, bark, or paper; bloomy, found on cheeses like Brie or Camembert; washed, which usually has a sticky texture and an orange color; and natural, which forms on cheese during the aging process and is found on cheddar and Parmesan cheeses.
| Characteristics | Values |
|---|---|
| Formation | Cheese skin, or rind, forms during the aging process. |
| Types | Natural, washed, and bloomy. |
| Edibility | Most rinds are edible, except those coated with inedible substances like wax, bark, or paper. |
| Taste | Rinds can be salty, creamy, mushroomy, woodsy, or bitter. |
| Texture | Rinds can be sticky, crunchy, dry, thin, or marshmallowy. |
| Colour | Rinds can be white, reddish-orange, or brightly coloured. |
| Creation | Rinds are formed through salting and air circulation, drawing moisture out of the surface of the cheese. |
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What You'll Learn
- Cheese skin is made of accumulated dead mould, bacteria, milk fat and proteins
- The mould is added to the cheese during the make or sprayed on in the ageing room
- Some cheese rinds are washed with brine, beer or other liquids to encourage bacteria growth
- Natural rinds form on cheese during the ageing process and are edible
- Washed rinds are created with bacteria and salt brine, and are also edible

Cheese skin is made of accumulated dead mould, bacteria, milk fat and proteins
Cheese skin, or the rind, is made of accumulated dead mould, bacteria, milk fat, and proteins. It forms during the aging process and can be naturally occurring or added by cheesemakers. The mould and bacteria form a protective barrier for the inner portion of the cheese, keeping it fresh.
While some people enjoy eating cheese rinds, others find them too pungent or salty. However, it is important to note that not all cheese rinds are edible. Rinds created with artificial colours, preservatives, wax, bark, or paper should not be eaten. On the other hand, natural rinds, washed rinds, and bloomy rinds are generally safe to consume.
Natural rinds form during the aging process and are typically found on cheeses like cheddar and Parmesan. These rinds have a more bitter taste compared to other types. Washed rinds, as the name suggests, are created by washing the cheese with a brine solution made of salt and other flavourings. This process encourages the growth of bacteria, resulting in a sticky and reddish-orange rind.
Bloomy rinds, often found on cheeses like Brie and Camembert, are coated with edible moulds such as Penicillium candidum. These moulds give the cheese a creamy, mushroomy flavour and contribute to its smooth, rich texture. The white, fuzzy appearance of bloomy rinds is a distinctive feature. While these moulds are generally safe to consume, those with penicillin allergies should avoid them.
Cheese skin or rind plays a crucial role in protecting and preserving the cheese, while also contributing to its unique flavour and texture. Whether or not to consume the rind is ultimately a matter of personal preference, as long as it is made from edible substances.
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The mould is added to the cheese during the make or sprayed on in the ageing room
The mould in cheese is a result of the introduction of specific mould cultures during the cheese-making process. The mould can be added at different stages, either during the initial make or later on during the ageing process by spraying it in the ageing room. Adding mould during the make involves incorporating the mould spores directly into the cheese curds, allowing the mould to grow and develop within the cheese. This technique ensures that the mould is distributed evenly throughout the cheese, resulting in a consistent flavour and appearance. On the other hand, spraying mould in the ageing room is a technique used for surface-ripened cheeses. The mould is applied to the exterior of the cheese, where it grows and forms a rind, contributing to the flavour and texture of the cheese.
When adding mould during the make, cheese makers typically use mould cultures that are specific to the type of cheese being produced. These mould cultures can be purchased as freeze-dried spores, which are then rehydrated and added to the milk or curds. The mould spores can also be introduced through the use of a "mother culture", which is a pre-cultured mould solution that is added directly to the milk. This method ensures that the mould has a head start and can begin growing and developing immediately.
The mould spores can also be mixed with salt, which is then sprinkled over the cheese curds. This method allows for more precise control over the distribution of mould and can create unique flavour profiles. In some cases, the mould may be added to the cheese press, where it is pressed into the cheese under controlled conditions. This technique helps incorporate the mould into the very structure of the cheese, resulting in a more consistent appearance and flavour.
Spraying mould in the ageing room, on the other hand, is a more delicate process. The mould culture is carefully prepared and diluted to the appropriate concentration. It is then loaded into a sprayer, which evenly mists the surface of the cheese with the mould solution. Cheese makers must carefully control temperature and humidity to create the perfect environment for the mould to thrive. Regular brushing or turning of the cheese may also be necessary to ensure even mould growth and prevent the formation of unwanted bacteria.
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Some cheese rinds are washed with brine, beer or other liquids to encourage bacteria growth
The rind is the powdery, funky stuff on the outside of the cheese, also known as the cheese's skin. It forms during the aging process and is there to protect the cheese and keep it fresh. There are three types of rind: washed, natural, and bloomy.
Washed rinds are created with bacteria and a salt brine, or other liquids such as beer, wine, or cider. The cheesemakers wash the cheese with a brine made with salt, and if they want to flavor it, they add that flavor to the brine. This process only happens once the cheese is set. It's dipped into the brine, and then returned to the shelf, where the bacteria continue to grow.
The flavor can be quite strong and pungent, but some people love it! These are the soft, white, and fuzzy rinds you see on cheeses like Brie and Camembert. That fuzz is actually a safe-to-eat mold! It’s intentionally added to the cheese and gives it a creamy, mushroomy flavor. The rind and the cheese inside work together to create a smooth, rich texture.
However, if a bloomy rind looks slimy or smells really bad, it’s probably gone bad, and you shouldn’t eat it. It's important to know which rinds are safe to eat and which ones to avoid. The easiest way to spot unsafe rinds is by their bright colors and waxy or plastic-like feel.
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Natural rinds form on cheese during the ageing process and are edible
Natural rinds are formed by the cheese itself as a protective layer during the ageing process. Salting and air circulation draw out moisture from the surface of the cheese wheel, forming a dry, thin crust. These rinds are sometimes coated with cloth or wax, rubbed with oils, or spices and flavourings. They are edible and can be consumed along with the cheese. However, older cheeses tend to have very waxy and unpalatable rinds.
Natural rinds are typically found on cheddar and Parmesan cheeses. They have a bitter taste. Young cheeses with natural rinds, like the Bayley Hazen Blue, have delicious and musty-flavoured rinds.
Natural rinds are one of the four types of cheese rinds, the other three being washed, bloomy, and non-edible. The washed rind is created with bacteria and salt brine and has a sticky texture and a reddish-orange colour. The non-edible rind is made from wax, bark, or paper. The bloomy rind, found on cheeses like Brie and Camembert, is generally snowy white and has a creamy, mushroomy flavour.
The rind, in general, is safe to eat. However, some people prefer not to eat it due to its strong and pungent flavour. It is added to enhance the flavour of the cheese. Trying the rind can help one appreciate the cheese better. The rind and the cheese inside work together to create a smooth, rich texture.
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Washed rinds are created with bacteria and salt brine, and are also edible
The powdery or marshmallowy white stuff on the outside of a cheese is called a rind, or the cheese's skin. Cheese rinds form during the aging process and there are three types: bloomy, washed, and natural rinds. Unless the cheese is coated with an inedible substance like wax, rinds are edible.
Washed rinds are created with bacteria and salt brine. The process involves taking the cheese off the shelf and washing it with a brine made with salt. If a particular flavor is desired, it can be added to the brine. The cheese is then returned to the shelf, where the bacteria continue to grow. Washed rinds can be flavored with cider, cognac, beer, wine, or other liquids. The result is often a salty bite from the rind, followed by the creamy cheese.
The flavor of washed-rind cheeses can be quite strong and pungent, but some people love it. These are the soft, white, and fuzzy rinds you see on cheeses like Brie and Camembert. That fuzz is actually a safe-to-eat mold! It’s intentionally added to the cheese and gives it a creamy, mushroomy flavor. The rind and the cheese inside work together to create a smooth, rich texture.
Washed rinds are edible. In fact, eating the rind will help you appreciate the cheese. The rind on brie and camembert, specifically, is a type of penicillin called Penicillium candidum. It is safe to eat, unless you have a penicillin allergy.
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Frequently asked questions
Cheese skin, also known as a rind, is made of accumulated dead mold and bacteria with some milk fat and proteins.
Yes, there are four types of cheese skins: natural, washed, bloomy, and non-edible.
Yes, cheese skins are generally safe to eat unless they are coated with inedible substances like wax, bark, or paper. However, it's important to check the label or avoid eating the rind if you're unsure of its contents.
Cheese skins form during the aging process as a way to protect the cheese and keep it fresh. The mold is added to the cheese during production or sprayed onto the wheels during aging.

























