
Blue cheese is a beloved dairy product made from cow's, sheep's, or goat's milk. It is known for its pungent, salty flavour and distinctive blue veins, created by the Penicillium roqueforti mould. While blue cheese is not dairy-free, it contains less lactose than many other cheeses, making it a suitable option for those with lactose intolerance. The lactose content in blue cheese ranges from 0% to 2.5%, or 2 to 4 grams of lactose per ounce. This is significantly lower than dairy products like milk, cream, and yoghurt. The ageing process of cheese also affects its lactose content, with older cheeses having lower lactose levels.
| Characteristics | Values |
|---|---|
| Lactose content | 0-2.5% or 2-4 g of lactose per ounce |
| Appropriate for lactose intolerance | Yes |
| Dairy-free | No |
| Milk allergy | Not safe |
| Fat content | Medium (8-9 g of fat per ounce) |
| Sodium content | High |
| Gluten-free | Yes |
| Flavor | Pungent, salty |
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What You'll Learn

Blue cheese is made from cow's milk
Blue cheese is a popular variety of cheese that is made with the addition of cultures of edible moulds, which create blue-green spots or veins throughout the cheese. The mould responsible for the blue veins in most blue cheeses is Penicillium roqueforti, although Gorgonzola is inoculated with Penicillium glaucum, which produces blue-green veins. The veins are also responsible for the aroma of the cheese.
Blue cheese is made from different types of milk, including cow's milk. For example, Italian Gorgonzola and British Stilton are both made from cow's milk. French Roquefort, on the other hand, is made from sheep's milk. The type of milk used to make blue cheese affects the flavour.
Blue cheese is believed to have been discovered by accident when cheeses were stored in caves with naturally controlled temperatures and moisture levels, which happened to be favourable environments for the growth of harmless moulds. The process of making blue cheese consists of six standard steps, with additional ingredients and processes to create the blue veins. Firstly, raw milk (from cattle, goats, or sheep) is mixed and pasteurized at 72 °C (162 °F) for 15 seconds. Then, a starter culture is added to acidify the milk, changing it from liquid to solid. Next, rennet, a mixture of rennin and other materials found in the stomach lining of a calf, is added to further solidify the milk. After this, the curds are cut with a knife to encourage the release of liquid or whey. The smaller the curds are cut, the thicker and harder the resulting cheese will be. Finally, the curds are ladled into containers to be drained and formed.
Blue cheese has a lower lactose content than many other types of cheese, with a range of 0-2.5% lactose. This makes it a suitable option for people with lactose intolerance, who generally need to avoid dairy products with a lactose content of around 11 g of lactose per ounce.
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It has a low lactose content
Blue cheese is not dairy-free, as it is made from cow's, sheep's, or goat's milk. However, it has a low lactose content, ranging from 0% to 2.5% or 2 to 4 grams of lactose per ounce. This is lower than many other types of cheese and other dairy products such as milk, cream, and yogurt.
The low lactose content of blue cheese makes it a suitable option for individuals with lactose intolerance, who typically experience symptoms like bloating, gas, diarrhea, and intestinal inflammation when consuming lactose. Lactose intolerance is caused by the body's inability to produce lactase, the enzyme necessary for digesting lactose, a sugar found in milk and other dairy products.
The process of making blue cheese contributes to its low lactose content. The cheesemaking process involves removing whey (the liquid part) from milk, followed by acidification and salting of the remaining curd. The specific steps and methods used can vary, influencing the final lactose content of the cheese.
Additionally, the aging process plays a role in reducing lactose content. As cheese ages, the lactose gradually converts to lactic acid, resulting in lower lactose levels over time. This is why aged, hard cheeses tend to have lower lactose content and are easier to digest for those with sensitive stomachs.
It is worth noting that while blue cheese has a low lactose content, it may not be suitable for individuals with a milk allergy. A milk allergy is different from lactose intolerance and is caused by an allergic reaction to the proteins in milk products, resulting in potentially more severe reactions.
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It's not suitable for those with a milk allergy
Blue cheese is not dairy-free. It is made from raw milk, usually from cows, but also from sheep or goats. The milk is then mixed and pasteurized at 72 °C (162 °F) for 15 seconds. Therefore, blue cheese is not suitable for those with a milk allergy.
Lactose intolerance is a digestive condition caused by the body's inability to produce the enzyme lactase, which is necessary for the digestion of lactose, a sugar found in milk, cheese, and other dairy products. Lactose intolerance is different from a milk allergy, which is an immune response to milk proteins and tends to cause more severe reactions. Those with a milk allergy should avoid all dairy products, including blue cheese.
Blue cheese has a low lactose content, ranging from 0% to 2.5%. This makes it a suitable option for those with lactose intolerance who wish to consume dairy products. However, it is important to remember that the severity of lactose intolerance can vary, and some individuals may still experience symptoms such as bloating, gas, and diarrhea after consuming low-lactose foods like blue cheese.
While blue cheese is not dairy-free and is therefore not suitable for those with a milk allergy, there are other cheese options that are lower in lactose. These include Havarti, which has a low to non-detectable level of lactose, and Swiss cheese, which has a 0% to 3.4% lactose range. It is always recommended to consult with a healthcare professional or a registered dietitian to determine which foods are safe to consume based on individual allergies and intolerances.
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It's safe for those with lactose intolerance
Blue cheese is a great option for those with lactose intolerance. While the condition varies in severity from person to person, blue cheese is an appropriate choice for those who must consume only low-lactose foods. This is because blue cheese has a low lactose content of between 0% and 2.5%.
Lactose intolerance is a digestive condition that occurs when the body lacks the enzyme lactase, which is needed to digest lactose, a sugar found in milk, cheese, and other dairy products. The severity of lactose intolerance varies from person to person, with some people being able to tolerate small amounts of lactose without experiencing any symptoms. However, for those with lactose intolerance, consuming high-lactose foods can lead to uncomfortable digestive issues such as bloating, gas, cramping, and stomach pain.
Blue cheese is a good option for those with lactose intolerance because it has a relatively low lactose content. It is created when raw milk (from cattle, goats, or sheep) is mixed and pasteurized, and then a starter culture is added to change the lactose to lactic acid. The cheese then goes through a process of coagulation and solidification, and the curds are cut to encourage the release of liquid or whey. The smaller the curds are cut, the thicker and harder the resulting cheese will be. The blue veins that characterize blue cheese are created by piercing the aged curds, forming air tunnels in the cheese. This allows oxygen to reach the surface of the curd-air interface, and the mold is then able to grow.
The low lactose content in blue cheese makes it a suitable option for those with lactose intolerance, who can enjoy it in moderation without experiencing digestive issues. However, it is always recommended to practice moderation when consuming any type of cheese, as even low-lactose cheeses can trigger discomfort if consumed in large quantities.
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Blue cheese is a medium-fat cheese
The distinctive blue veins in blue cheese are created by piercing the aged curds, allowing oxygen to reach the surface of the curd-air interface. This process enables the growth of Penicillium roqueforti, the mould responsible for the blue veins and the unique aroma of blue cheese. The moulds used in different varieties of blue cheese contribute to the range of flavours, from subtle to strong and sharp.
Blue cheese is made from cow's milk, sheep's milk, or a combination of both. The type of milk used can vary depending on the region and the specific variety of blue cheese being produced. For example, Roquefort is made from sheep's milk in the south of France, while Stilton, the famous English blue cheese, is typically made from cow's milk.
Blue cheese is not dairy-free, and it is unsuitable for individuals with a milk allergy. However, it is a suitable option for those with lactose intolerance due to its low lactose content, which ranges from 0% to 2.5%. The ageing process of blue cheese contributes to its lower lactose content, as lactose is converted to lactic acid over time.
When incorporating blue cheese into recipes, it is worth noting that it contains a significant amount of sodium, so adjustments to the amount of added salt may be necessary. Blue cheese is a versatile ingredient that can enhance the flavour of various dishes, from salads and grain bowls to pasta sauces and dips. Its distinct flavour and texture make it a popular choice for those seeking a pungent and salty cheese.
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Frequently asked questions
No, blue cheese is not dairy-free. It is made from cow's, sheep's, or goat's milk.
No, blue cheese is not safe for those with a milk allergy.
Blue cheese has a 0-2.5% lactose range, which is considered low compared to other dairy products. However, it is always best to err on the side of caution, so if you are highly sensitive, it is best to avoid it.
First, raw milk (from cattle, goats, or sheep) is mixed and pasteurized at 72 °C (162 °F) for 15 seconds. Then, a starter culture is added to change the lactose to lactic acid, thus changing the acidity of the milk and turning it from liquid to solid. The next step is coagulation, where rennet is added to solidify the milk further. The curds are then cut into small pieces to encourage the release of liquid or whey. The smaller the curds, the thicker and harder the resulting cheese. After being ladled into containers to be drained and formed, the curds are then pierced to allow Penicillium roqueforti to create the characteristic blue veins.
Examples of blue cheese include Cabrales, Danablu, Gorgonzola, Roquefort, and Blue Stilton.

























