Have you ever wondered what those big, beautiful holes in Swiss cheese are called? Well, wonder no more. They are officially known as “eyes”! These distinctive openings are formed during the cheese-making process when carbon dioxide gas is produced by bacteria that are added to the milk. As the cheese hardens, the gas is trapped inside, creating pockets that give Swiss cheese its signature appearance. Each wheel of cheese can have varying sizes and shapes of “eyes,” making each one unique.
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