
The question of how many holes are in a block of cheese may seem straightforward, but it delves into fascinating areas of mathematics, food science, and even philosophy. At first glance, the answer depends on the type of cheese, as varieties like Swiss or Emmental are known for their distinctive holes, while others like cheddar or brie have none. However, the inquiry also raises broader questions about how we define a hole and whether the spaces within the cheese truly qualify. This seemingly simple topic invites exploration of the interplay between structure, perception, and categorization, making it a surprisingly rich subject for discussion.
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What You'll Learn

Defining a hole in cheese
A hole in cheese is not merely an absence of material but a structural feature defined by its creation process. In cheeses like Emmental or Swiss, holes, known as "eyes," form during fermentation when carbon dioxide gas released by bacteria becomes trapped in the curd. The size and distribution of these holes depend on factors such as humidity, temperature, and the specific bacterial cultures used. For instance, larger holes typically indicate a longer aging process or higher gas production. Understanding this biological mechanism is crucial for distinguishing natural holes from those created artificially or by other means.
To define a hole in cheese scientifically, consider its dimensions and purpose. A hole must be a discrete, gas-filled void surrounded by a continuous matrix of cheese. For practical counting, holes smaller than 3 millimeters in diameter are often excluded, as they are less noticeable and do not significantly impact texture or flavor. This threshold ensures consistency in measurement, especially in competitions or quality assessments. For example, the Guinness World Records uses specific criteria to count holes in a cheese wheel, emphasizing clarity in definition.
From a culinary perspective, the presence and size of holes influence both texture and meltability. Larger holes create a lighter, airier mouthfeel, while smaller or fewer holes result in a denser cheese. When melting, holes allow heat to distribute more evenly, affecting how the cheese flows and browns. Chefs and home cooks alike should consider hole size when selecting cheese for recipes—for instance, a highly holed Emmental is ideal for fondue, while a less holed Gruyère might be better for grilled cheese sandwiches.
Finally, defining a hole in cheese requires a balance between scientific precision and practical application. While a hole is technically any gas-filled void, real-world contexts demand flexibility. For instance, a block of cheese with cracks or irregular gaps may not meet the definition but could still be counted as "holey" in casual conversation. To standardize counting, use a grid system: divide the cheese into sections and count holes per square inch, averaging across the block. This method ensures accuracy while acknowledging the cheese’s natural variability.
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Variations by cheese type
The number of holes in a block of cheese isn’t random—it’s a signature of its type and production method. Take Emmental, the poster child of holey cheeses, where each wheel boasts 3 to 12 holes per square inch, depending on fermentation activity. In contrast, a block of cheddar or gouda will greet you with a solid, hole-free interior, their dense textures shaped by different bacteria and aging processes. This variation isn’t just aesthetic; it’s a clue to the cheese’s flavor, texture, and even shelf life.
For those crafting cheese at home or in small batches, controlling hole size and distribution is both art and science. In Emmental, holes (technically called "eyes") form when carbon dioxide bubbles from lactic acid bacteria get trapped in the curd. To maximize holes, maintain a consistent temperature of 72°F (22°C) during fermentation and use a starter culture rich in *Propionibacterium freudenreichii*. For cheeses like Swiss or Gruyère, aim for ¼ to ½ inch diameter holes, adjusting humidity levels to encourage even gas retention. Avoid over-stirring the curd, as this can release gases prematurely, resulting in smaller, uneven eyes.
Persuasive arguments for holey cheeses often center on their meltability and flavor penetration. Cheeses like Jarlsberg, with its uniform pea-sized holes, melt more evenly than denser varieties, making it ideal for sauces or grilled sandwiches. However, not all holes are created equal. Large, irregular holes in a young cheese may signal improper fermentation, while a complete absence of holes in a variety like Emmental could indicate rushed production. When selecting cheese, consider the hole pattern as a quality marker—consistent, well-distributed eyes suggest a masterfully crafted product.
Comparing holey and non-holey cheeses reveals distinct culinary applications. A block of mozzarella, devoid of holes, stretches beautifully for pizza but lacks the nutty complexity of a hole-rich Appenzeller. Meanwhile, the open structure of Leerdammer allows it to absorb marinades or wine pairings more readily than a compact cheddar. For aging, holey cheeses like Comté develop deeper flavors over 12–24 months, while non-holey cheeses like Edam retain their mildness even after extended aging. Pairing holey cheeses with bold accompaniments like cured meats or dark honey can enhance their natural sweetness, while non-holey cheeses shine with simpler pairings like fresh fruit or crackers.
Descriptively, the holes in cheese are more than gaps—they’re windows into its soul. In a wheel of Emmental, the glossy, amber-hued eyes contrast with the ivory paste, creating a marbled appearance that’s as inviting as it is appetizing. In contrast, the smooth, unbroken surface of a young Gouda feels like a promise of buttery simplicity. For the curious, slicing into a block of cheese becomes a sensory experience, where the presence or absence of holes tells a story of tradition, technique, and terroir. Whether you’re a cheesemaker or a connoisseur, understanding these variations transforms every bite into a lesson in craftsmanship.
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Measuring hole density
The number of holes in a block of cheese isn't just a whimsical question—it directly impacts texture, meltability, and even shelf life. Measuring hole density, therefore, becomes a critical task for cheesemakers and enthusiasts alike. This process involves quantifying the void spaces within the cheese matrix, which can vary widely depending on the type of cheese and its production methods. For instance, Swiss cheese is renowned for its large, distinct holes, while cheddar typically has a more compact structure with minimal voids. Understanding hole density allows for better control over the final product’s quality and consistency.
To measure hole density accurately, start by selecting a representative sample of the cheese block. Cut a cross-sectional slice of uniform thickness, ideally 1–2 cm, to ensure consistency. Use a digital caliper or ruler to measure the area of the slice, then manually count the number of holes visible within that area. For precision, divide the slice into a grid and count holes within each square, then extrapolate the data to the entire slice. Alternatively, advanced methods like 3D imaging or X-ray tomography can provide more detailed insights, though these are typically reserved for scientific or industrial applications.
When analyzing hole density, consider the cheese’s age and moisture content, as these factors significantly influence hole formation. Younger cheeses tend to have fewer, smaller holes, while aged varieties develop larger voids due to gas production by bacteria. For example, a 6-month-old Swiss cheese might have an average hole density of 10–15 holes per square centimeter, whereas a younger version could have half that number. Tracking these changes over time can help cheesemakers refine their aging processes for optimal texture and flavor.
Practical tips for home enthusiasts include using a magnifying glass to accurately count smaller holes and maintaining consistent lighting to avoid shadows that distort hole visibility. For those interested in a more hands-on approach, creating a simple spreadsheet to record hole counts across multiple samples can reveal patterns and trends. Remember, hole density isn’t just about aesthetics—it’s a measurable indicator of the cheese’s internal structure and quality. By mastering this technique, you gain deeper insight into the science and artistry behind every block of cheese.
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Factors affecting hole formation
The number of holes in a block of cheese isn’t random—it’s a result of specific factors during the cheesemaking process. Chief among these is the activity of carbon dioxide-producing bacteria, which create gas bubbles as they metabolize lactose. These bubbles expand during aging, forming the holes we associate with cheeses like Swiss or Emmental. The type and concentration of bacteria, such as *Propionibacterium freudenreichii*, directly influence hole size and quantity. For instance, a higher bacterial count typically results in more holes, but only if conditions like temperature and humidity are optimal for gas retention.
Temperature and humidity during aging play a critical role in hole formation. Ideal conditions for hole development in cheeses like Emmental are temperatures between 20–24°C (68–75°F) and relative humidity of 90–95%. Lower temperatures slow bacterial activity, reducing hole formation, while higher temperatures can cause uneven gas distribution. Humidity is equally vital; too dry an environment causes the cheese rind to harden prematurely, trapping gas and preventing holes from forming. Cheesemakers often adjust these parameters to control hole size and density, ensuring consistency across batches.
The curd-cutting and stirring techniques during production also impact hole formation. A slower, gentler cut allows for more even distribution of bacteria and moisture, fostering uniform hole development. Aggressive stirring can break down curds too finely, reducing the space for gas bubbles to form. For example, in traditional Swiss cheese production, curds are cut into walnut-sized pieces and stirred minimally to preserve structure. This precision ensures that gas bubbles have room to expand without being disrupted, leading to the characteristic large, round holes.
Finally, the duration of aging determines the final hole count. Longer aging periods allow more time for bacterial activity and gas accumulation, resulting in larger and more numerous holes. However, aging too long can cause holes to merge or collapse, altering the cheese’s texture. Most hole-forming cheeses are aged for 2–3 months, with regular monitoring to ensure optimal hole development. Practical tip: if making cheese at home, maintain a consistent aging environment and track progress weekly to achieve the desired hole structure.
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Cultural perceptions of cheese holes
The number of holes in a block of cheese isn’t just a whimsical question—it’s a cultural touchpoint. In Switzerland, where Emmental reigns supreme, the holes (or "eyes") are seen as a mark of craftsmanship. Larger, evenly spaced holes signify ideal fermentation, a point of pride for cheesemakers. Conversely, in France, where cheeses like Comté dominate, holes are often absent or minimal, reflecting a preference for dense, creamy textures. This contrast highlights how cultural values shape perceptions of what constitutes "perfect" cheese.
To understand these differences, consider the role of cheese in cultural identity. In the Netherlands, Gouda’s small, irregular holes are celebrated as a sign of tradition, not imperfection. Dutch cheesemakers even use terms like *brokkel* to describe the crumbly texture caused by these holes. Meanwhile, in the U.S., pre-packaged cheeses like Swiss or Babybel often exaggerate hole size for visual appeal, catering to a market that associates holes with authenticity. This commercial manipulation reveals how cultural perceptions can be engineered for profit.
For those curious about hole counts, here’s a practical tip: Emmental typically has 1–3 holes per square inch, with each hole measuring 0.5–1 inch in diameter. However, counting holes isn’t just a numbers game. In Italy, where hole-filled cheeses like Provolone are rare, the focus is on flavor and aging, not structure. This shift in priorities underscores how cultural perceptions prioritize certain qualities over others.
Persuasively, it’s worth arguing that the global fascination with cheese holes reflects a broader human tendency to find meaning in food aesthetics. In Japan, hole-filled cheeses like Appenzeller are marketed as exotic, aligning with a cultural appreciation for unique textures. Yet, in India, where cheese is often unaged and hole-free, the concept of holes might seem bizarre. This diversity proves that cultural perceptions aren’t universal—they’re deeply rooted in local traditions and tastes.
Finally, a comparative analysis reveals that cheese holes are more than a physical trait; they’re a lens into cultural values. While some cultures prize holes as a sign of quality, others view them as irrelevant or even undesirable. For instance, Scandinavian cheeses like Jarlsberg mimic Emmental’s holes but are milder in flavor, appealing to a preference for subtlety. By examining these variations, we see that the question of holes isn’t trivial—it’s a gateway to understanding how culture shapes our relationship with food.
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Frequently asked questions
The number of holes in a block of cheese depends on the type of cheese. For example, Swiss cheese (Emmental) typically has multiple holes, while cheeses like Cheddar or Gouda have none.
Holes in cheese, like Swiss cheese, are caused by carbon dioxide gas produced by bacteria during the aging process. These bubbles create the characteristic holes as the cheese forms.
Yes, many types of cheese, such as Cheddar, Mozzarella, or Brie, are naturally hole-free. Only specific varieties like Emmental or Gruyère develop holes during production.

























