There are countless varieties of cheese found throughout the world, from soft goat cheese to the particularly fragrant Limburger. But there’s one type of cheese that has an exceptionally amazing shelf life: chhurpi, a Nepalese cheese that can last up to 20 years. Popularly consumed in remote villages deep in the Himalayas, chhurpi has a smoky flavor and tough consistency; the cheese is so hard it’s typically chewed like gum. Creating chhurpi starts with milk from yaks, cows, buffaloes, and chauris — an animal that’s a cross between a yak and a cow — which is then fermented for up to a year. Dehydrating the chunks of cheese removes most of its moisture, making it safe to eat without refrigeration for up to two decades, a helpful quality in a region where access to fresh foods is somewhat limited.
Nibbling on cheese before a good night’s rest is often claimed to induce unsettling dreams, though there’s no conclusive evidence that feasting on fromage causes nightmares. Instead, some scientists point to sleep disruptions as an uncomfortable side effect of lactose intolerance.
Made in Nepal or otherwise, all varieties of hard cheese undergo the same process to reach their firm texture and sharp flavor. Every cheese begins with milk that’s been blended with the bacteria responsible for giving the final product a specific flavor (like Lactococcus lactis used in cheddar, or Streptococcus thermophilus used to make Swiss), and some curds retain more liquid in the shaping and aging process. Soft cheeses have more moisture, which is why they attract bacteria and spoil easily without refrigeration, while hard cheeses have drastically less (making them safer to eat without chilling). Cheesemakers are able to achieve this lack of moisture by pressing, heating, or salting newly formed blocks of cheese to draw out as much water as possible. Aging cheese, often for three years or longer, further saps its moisture levels, and gives hard cheeses that crumbly texture so perfectly paired with crackers — or just enjoyed on its own.
Remnants of the world’s oldest known cheese were discovered in a tomb in Egypt.
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President Calvin Coolidge came from a family of cheesemakers.
Visitors to the President Calvin Coolidge State Historic Site in Plymouth, Vermont, can walk the grounds of the 30th President’s homeplace and burial — and even tour his family’s cheese factory. President Coolidge’s father, John, founded the family cheesemaking business in 1890 as a way to monetize extra milk from his dairy farm. Despite regional success, Plymouth Cheese shuttered amid the Great Depression, a few years after Coolidge’s time in office ended. However, the family business was revived in 1960, when Coolidge’s son restored the factory and resumed cheese production. After three decades, the family business was sold to the state of Vermont with the guarantee it would remain open and operational. Today’s visitors to the historic site can sample the Coolidge family’s original cheddar recipe, first created more than 130 years ago.
Nicole Garner Meeker
Writer
Nicole Garner Meeker is a writer and editor based in St. Louis. Her history, nature, and food stories have also appeared at Mental Floss and Better Report.
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