
The term Swiss cheese is used to refer to any variety of cheese that resembles Emmental cheese, a yellow, medium-hard cheese that originated in Switzerland. In the United States, Swiss cheese is mass-produced and often has a mild flavor and many holes, which are formed by bacteria and carbon dioxide gas during production. While some people may not be fans of American Swiss cheese due to its lower quality, there are still those who are obsessed with it, especially in California. The state's obsession with Swiss cheese could be attributed to its versatility, as it is a common staple in households and can be used in various dishes, such as sandwiches, mac and cheese, and fondue.
| Characteristics | Values |
|---|---|
| Origin of Swiss cheese | Switzerland |
| Types of Swiss cheese | Emmental, Gruyère, Baby Swiss, Lacy Swiss, Sbrinz, Tête de Moine, Le Gruyère AOP |
| Production technique | Three types of bacteria are used in the production of Swiss cheese: Streptococcus thermophilus, Lactobacillus, and Propionibacterium |
| Distinctive appearance | Blocks or rounds of the cheese riddled with holes known as "eyes" |
| Taste | Nutty and sweet |
| US production | Approximately 330 million pounds (150 kt) |
| US quality | Lower than Swiss quality |
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What You'll Learn
- California's obsession with Swiss cheese may be due to its unique holes, or eyes
- The nutty, sweet flavour of Swiss cheese could be another reason for its popularity
- The variety of Swiss cheeses available, including Emmental and Gruyère, may fuel California's interest
- The accessibility and affordability of mass-produced Swiss cheese in the US likely contributes to its popularity in California
- The long history of cheese-making in Switzerland, dating back to at least 2500 BC, may have cultivated a strong appreciation for Swiss cheese in California

California's obsession with Swiss cheese may be due to its unique holes, or eyes
California's obsession with Swiss cheese may be due to its unique holes, or "eyes". The term "Swiss cheese" refers to any variety of cheese that resembles Emmental cheese, a yellow, medium-hard cheese that originated in the Emmental region of Switzerland. The holes in Swiss cheese are formed during maturation when propionibacteria, one of the three types of bacteria used in its production, release carbon dioxide, creating bubbles that develop into eyes.
Historically, these holes were seen as imperfections, and cheesemakers tried to avoid them by pressing the cheese during production. However, in modern times, the holes have become an identifier of Swiss cheese, and many people associate the cheese with its distinctive appearance. California, in particular, may have an obsession with Swiss cheese due to its unique holes. The larger the eyes in Swiss cheese, the more pronounced its flavor, as a longer fermentation period allows more time for bacteria to act. This results in a stronger taste that Californians may find appealing.
Additionally, the production of Swiss cheese in the United States, including California, may contribute to its popularity in the state. While traditional Swiss cheese is made carefully following strict guidelines, American Swiss cheese is often mass-produced by large companies, making it more affordable and accessible to Californians. The typical annual production of Swiss cheese in the United States is approximately 330 million pounds, ensuring a steady supply for California's obsessed consumers.
It is worth noting that the term "Swiss cheese" does not imply that the cheese is made in Switzerland. The United States Department of Agriculture uses the terms Swiss cheese and Emmentaler cheese interchangeably, and the cheese is now produced in several countries, including the United States, Finland, Estonia, and Ireland. However, the unique holes or eyes of Swiss cheese remain a defining characteristic, and their presence may be a significant factor in California's obsession with this particular variety of cheese.
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The nutty, sweet flavour of Swiss cheese could be another reason for its popularity
The nutty, sweet flavour of Swiss cheese is due to the presence of acetate and propionic acid, which are produced by the bacteria Propionibacterium (Propionibacterium freudenreichii subsp. shermani). This unique flavour profile, coupled with its distinctive appearance, makes Swiss cheese a popular choice for many.
Swiss cheese, with its holes and flavour, has become a well-known variety of cheese globally. The holes, often referred to as "eyes," are a result of the bacteria in the cheese producing carbon dioxide gas during fermentation. The larger the holes, the more pronounced the flavour, as a longer fermentation period allows more time for bacterial activity.
While the term "Swiss cheese" is commonly used, it is a generic term for any cheese resembling Emmental, which originated in Switzerland. The United States Department of Agriculture, for example, uses the terms Swiss cheese and Emmentaler cheese interchangeably. However, traditional Swiss cheesemaking involves a strict set of guidelines, whereas mass-produced Swiss cheese in countries like the United States may be made on a larger scale, potentially impacting quality.
The popularity of Swiss cheese in California may be influenced by its flavour and versatility. The nutty, sweet flavour of Swiss cheese complements various dishes, from sandwiches to fondues and grilled dishes. Its melting properties make it ideal for recipes like grilled cheese sandwiches, a popular comfort food. Additionally, the availability of Swiss cheese in the United States, through local production or imports, may also contribute to its popularity in the state.
In conclusion, the nutty, sweet flavour of Swiss cheese, resulting from the bacterial activity during fermentation, is likely a significant factor in its popularity in California. Its versatility in various dishes, along with its distinctive appearance and melting properties, makes Swiss cheese a favourite among Californians, contributing to the state's obsession with this variety of cheese.
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The variety of Swiss cheeses available, including Emmental and Gruyère, may fuel California's interest
The variety of Swiss cheeses available may fuel California's interest in the product. The term "Swiss cheese" is used to refer to any variety of cheese that resembles Emmental, a medium-hard cheese that originated in Switzerland. Emmental is the best-known Swiss cheese in North America and is commonly called "Swiss cheese". However, there are many other varieties of Swiss cheese, such as Gruyère, which is the most consumed variety in Switzerland and considered the archetypal Swiss cheese in continental Europe.
Gruyère, named for the walled city in the Fribourg canton, is made from raw cow's milk. Evening milk is skimmed and left overnight to settle, then mixed with full-fat milk collected in the morning. It is constantly imitated, leading consumers to often mistake the generic, alpine-style cheese found on supermarket shelves for the legendary wheels produced since the early 12th century.
Emmental, on the other hand, is characterised by its holes, known as "eyes". These holes are created by the carbon dioxide released by propionibacteria during the late stages of cheese production. The larger the eyes in Swiss cheese, the more pronounced its flavour, as a longer fermentation period gives the bacteria more time to act. However, cheese with large eyes does not slice well and comes apart in mechanical slicers. As a result, U.S. industry regulators have reduced the minimum eye size for Swiss cheese to receive the Grade A stamp.
Other varieties of Swiss cheese include Sbrinz, one of Europe's oldest cheeses, made in central Switzerland for over two millennia; Appenzeller, made in the Appenzellerland region of northeast Switzerland for over 700 years and known for its herbal brine exterior; and Tête de Moine, which is an excellent choice for a cheese board and can also be used in cooking.
In addition to these traditional varieties, there has been an explosion of new Swiss cheese varieties since the disbandment of the Cheese Union in 1999, which previously controlled all aspects of cheese production, marketing, and export. Today, there are more than 500 varieties of Swiss cheese made each year, reflecting the country's long history of cheesemaking, which dates back to 2500 BC when dairy farming was first introduced to the area.
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The accessibility and affordability of mass-produced Swiss cheese in the US likely contributes to its popularity in California
The popularity of Swiss cheese in California is likely influenced by a combination of factors, including its accessibility, affordability, and the diverse culinary applications it offers.
In the United States, including California, Swiss cheese is readily available in supermarkets and delis as a mass-produced product. Large companies produce Swiss cheese on a vast scale, making it widely accessible to consumers. This accessibility contributes to its popularity among Californians, who can conveniently purchase it from local retailers.
Additionally, the affordability of mass-produced Swiss cheese makes it an attractive option for consumers in California. By producing cheese in significant quantities, companies can offer the product at lower prices, making it economical for buyers. This affordability likely plays a role in the cheese's popularity within the state.
Moreover, Swiss cheese is a versatile ingredient that can be incorporated into various dishes. Its distinctive flavour and texture make it a popular choice for sandwiches, fondues, and grilled dishes. The cheese's ability to complement and enhance other ingredients contributes to its frequent use in California cuisine, where it adds a unique twist to both traditional and modern recipes.
The popularity of Swiss cheese in California may also be influenced by the state's culinary and cultural diversity. California is known for its innovative and experimental food scene, where diverse cuisines and ingredients converge. Swiss cheese, with its unique characteristics, fits well within this landscape, offering a familiar yet exotic touch to local dishes.
Furthermore, the historical and cultural associations of cheese may play a role in its popularity. Cheese, in general, holds a comforting and nostalgic value for many people, and Swiss cheese, with its long history dating back to ancient times, may evoke a sense of tradition and craftsmanship. This perception of Swiss cheese as a classic, timeless ingredient could contribute to its enduring popularity in California's culinary landscape.
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The long history of cheese-making in Switzerland, dating back to at least 2500 BC, may have cultivated a strong appreciation for Swiss cheese in California
The history of cheese-making in Switzerland dates back to at least 2500 BC. The breeding of cattle, sheep, and goats for milk is attested in the Neolithic period, and since antiquity, cheese has been exported from the Alpine regions. The first mention of "Swiss" cheese was made by the Roman historian Pliny the Elder in the first century. He described what he called "Caseus Helveticus", the cheese of the Helvetians, who populated the territory of present-day Switzerland at that time.
In the Middle Ages, with the decline of Latin civilization, the use of rennet disappeared in German-speaking territories but likely continued in Romance-speaking lands. Sources from the 13th and 14th centuries attest to the production of fat cheese in Lower Valais and the Gruyères region. Archaeologists have found evidence of cheese-making equipment in medieval alpine settlements, including cheese press supports and structures used to store milk and cheese.
By the 1800s, the first cheese dairies were established in Switzerland, and the country entered what became known as "the great age of cheese". Farmers and entrepreneurs were gripped by a real cheese fever, with fortunes being invested in the cheese trade. The enormous quantities of Swiss cheese being produced found a ready market at home and abroad. Today, cheese dairies and mountain pastures in Switzerland produce nearly 500 varieties of cheese, not counting fresh cheeses.
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Frequently asked questions
California, and the US more broadly, has a large cheese production industry, with Swiss cheese being one of the most popular varieties. In 2025, the annual production of Swiss cheese in the US was approximately 330 million pounds.
Swiss cheese is a generic term for any variety of cheese that resembles Emmental cheese, a yellow, medium-hard cheese that originated in Switzerland. It is characterised by holes known as "eyes".
The holes in Swiss cheese are caused by propionibacteria, which release carbon dioxide during the cheese production process. The carbon dioxide forms bubbles that create the "eyes".
Some popular varieties of Swiss cheese include Emmental, Gruyère, and Sbrinz.

























