
Cheddar cheese is a popular variety of cheese that is made from cow's milk. The process of making cheddar involves adding milk to cultures and rennet to curdle, cutting up the curds, stacking and flipping them in a process called cheddaring, and then ageing the cheese. Cheddar cheese is known for its tangy taste, which can range from mild to sharp or extra sharp. The sharpness of cheddar cheese is directly related to the ageing process, with mild cheddars being aged for less than a year and extra sharp cheddars being aged for two years or more. The ageing process also affects the texture of the cheese, making it drier and crumbly. The tanginess of cheddar cheese can also be influenced by the amount of salt added during the cheddaring process, as well as the pH level of the cheese. A lower pH level can result in a more tangy and acidic flavour.
| Characteristics | Values |
|---|---|
| Taste | Tangy, sharp, sour, nutty, salty |
| Texture | Crumbly, dry |
| Aging | Longer aging leads to stronger taste |
| Acidity | Over-acidification can cause tanginess |
| Salt Content | Higher salt content enhances flavor |
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What You'll Learn

The ageing process
The length of the ageing process is carefully calibrated to achieve the desired flavour profile and texture for each variety of cheddar cheese. While younger cheddars offer a milder, less tangy experience, aged cheddars are sought after for their robust, sharp, and tangy flavours, as well as their crumbly texture.
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Salt content
The salt content of cheddar cheese plays a crucial role in its taste and overall character. Cheddar with higher salt content tends to have a more pronounced tanginess and a sharper flavour profile. This is because salt enhances and accentuates the tangy notes in the cheese. The interplay between salt and tangy flavours stimulates the palate, creating a complex and satisfying sensory experience.
The process of cheddaring involves removing excess moisture from the curds through cutting, stacking, and flipping, resulting in a semi-firm texture. During this process, the addition of salt at the appropriate time is critical. Applying salt too early can lead to it being washed away, while adding it too late can result in overly salty cheese. Therefore, striking the right balance in the cheddaring process ensures the desired salt content and flavour development in the final product.
The tanginess in cheddar cheese is often associated with its acidity, which can be influenced by various factors, including the pressing technique, aging duration, and salt content. A gradual pressing process is essential to properly drain the whey and prevent the formation of acidic paste, which can lead to crumbly and overly tangy cheese. Aging also plays a significant role in the tanginess of cheddar, with longer-aged cheddars being sharper and more tangy.
The salt content in cheddar cheese interacts with its acidity, enhancing the tangy flavour without making it overwhelmingly sour. A well-salted cheddar will have a bright, tangy note of lactic sourness, creating a harmonious balance on the palate. This balance is what distinguishes a good cheddar from lesser-quality cheeses that may exhibit off-flavours, such as notes of spoiled milk or funky yogurt.
Additionally, the salt content in cheddar cheese can affect its texture and overall culinary applications. Dehydrated cheeses, such as aged parmesan and extra-sharp cheddars, tend to have higher salt content, contributing to their crumbly texture and concentrated flavours. These cheeses can add a burst of savoury tanginess to dishes, enhancing the overall taste experience.
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Pressing technique
The pressing technique is an important process in the creation of cheddar cheese. It involves applying pressure to the cheese curds to remove any remaining whey and give the cheese its characteristic shape. The amount of pressure and the timing of its application can significantly impact the final product's texture, acidity, and flavour.
When pressing cheddar cheese, it is crucial to avoid applying too much pressure too quickly. Over-pressing can result in whey becoming locked into the cheese, leading to increased acidity and a tangy, crumbly texture. To prevent this, pressing should be done gradually. Leaving the cheese in the mould for an initial period without any weight allows for the proper drainage of whey. The weight can then be gradually increased until the rind closes, ideally within 2-3 hours of starting the pressing process.
The pressing technique also plays a role in controlling the overall acidity of the cheese. If the curds consolidated during the press, it indicates that there was already too much acidity, and the cheese may become overly tangy and crumbly. To mitigate this, cheesemakers can adjust the pressing technique, wash the curds, or reduce the amount of culture or inoculation time to control acid development.
Additionally, the pressing technique can influence the salt distribution within the cheese. After the fermentation process, which lowers the pH of the milk and gives cheddar its tangy flavour, salt is evenly distributed throughout the curd through dry salting or brine salting. The salted curd is then pressed, and the timing and pressure of this process can affect the salt distribution and, consequently, the overall flavour and texture of the cheese.
Overall, the pressing technique is a critical step in the production of cheddar cheese. It requires precision and gradual adjustments to achieve the desired texture, acidity, and flavour. Cheesemakers must carefully consider the timing, weight, and duration of pressing to ensure the cheese reaches its ideal state without becoming overly tangy or crumbly due to excess acidity or improper whey drainage.
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PH levels
The pH level of cheese is a crucial factor in determining its taste, texture, and safety. The pH level of cheese is influenced by the type of milk used, the amount and strain of bacteria present, the temperature, and the time allowed for acid production.
Cheddar cheese typically has a pH level ranging from 5.1 to 5.4, which is relatively low. This low pH is achieved through a carefully managed cheese-making process. Firstly, milk, which usually has a pH of around 6.7, is acidified by adding a starter culture of "lactic acid bacteria". These bacteria feed on lactose, a sugar found in milk, and produce lactic acid, thereby lowering the pH of the milk. The speed at which the milk becomes acidic depends on various factors, including the amount and strain of bacteria, temperature, and the type of milk used.
As the bacteria continue to produce acid, the pH level drops further. Cheddar, being a harder cheese, undergoes a longer aging process than softer cheeses, which allows for more time for acid production and a greater drop in pH. This results in a more tangy and acidic flavour. The pH level of cheddar can drop to around 5.3 during the "cheddaring" process, and further to 4.7 in some cases.
The low pH of cheddar contributes to its distinctive tangy flavour, firmer texture, and longer shelf life compared to softer cheeses. The acidity inhibits the growth of harmful bacteria, ensuring the cheese remains safe to consume. Additionally, the low pH of cheddar affects its salt uptake, resulting in a saltier taste. The protein molecules at lower pH levels have a stronger negative charge, which attracts salt ions and increases salt absorption.
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Dehydration
During dehydration, moisture is drawn out of the cheese, concentrating the flavours and creating a sharper, more intense taste. This process also affects the texture, making the cheese drier and crumbly, which is a desirable characteristic of aged cheddar. The removal of moisture inhibits bacterial growth, slowing down the ripening process and allowing the cheese to mature over a more extended period.
The level of dehydration can vary depending on the desired outcome. For a milder, younger cheddar, the cheese is dehydrated for a shorter period, resulting in a softer texture and less tangy flavour. On the other hand, extra sharp cheddars are aged for approximately two years, undergoing extended dehydration, which intensifies the tanginess and sharpness.
The process of dehydration also influences the saltiness of the cheese. Dehydrated cheeses tend to have a higher salt content, which enhances their flavour and overall palatability. The salt concentration, along with the removal of moisture, acts as a preservative, extending the shelf life of the cheese.
Additionally, the rate of dehydration can impact the final product. Gradual dehydration allows for better control over the development of acidity and flavour. A sudden increase in weight during pressing, for example, can trap whey within the cheese, creating an overly acidic and crumbly texture, which contributes to an excessively tangy flavour.
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Frequently asked questions
Cheddar cheese gets sharper and more tangy the longer it is aged. Mild cheddars are aged for less than a year, whereas sharp cheddars are aged for about a year, and extra sharp cheddars are usually aged for two years.
The aging process affects the sharpness and tanginess of cheddar cheese. The longer the cheese is aged, the sharper and tangier it becomes.
The tanginess of cheddar cheese can be influenced by a variety of factors, including the pH level, salt content, pressing technique, and aging time. A lower pH level can result in a more tangy flavor, while proper salting and pressing techniques can help control the acidity and moisture levels, affecting the overall tanginess.
Extra sharp cheddar cheese is typically aged for two years or more. It has a strong, tangy, and acidic flavor with a nutty and buttery undertone. The sharpness of the cheese is analogous to a slightly tart or acidic flavor, similar to lemon or sour candies but milder.

























