Swiss Cheese
Swiss cheese is a broad term, especially in North America, for cheeses that resemble Emmental (or Emmentaler)—a pale yellow, medium-hard cow’s milk cheese famous for its nutty, mildly sweet flavor and signature holes (called “eyes”).
True Emmental originated in the Emme Valley (Emmental) in Switzerland as early as the 12th–14th century. Traditional Swiss-type or Alpine cheeses are made from raw cow’s milk in mountainous regions. In Switzerland itself, Gruyère is often more commonly consumed than Emmental, but the holey variety became the iconic “Swiss cheese” abroad.
Large wheels (up to 200+ pounds) were historically made partly due to old tax practices based on the number of wheels rather than weight.
Why the Holes?The holes form during aging thanks to Propionibacterium freudenreichii (or similar propionic acid bacteria). These bacteria ferment lactic acid and produce carbon dioxide gas, which gets trapped as bubbles in the elastic curd, creating the eyes. Larger or more numerous holes often indicate stronger flavor from longer fermentation.
Interestingly, research has shown that tiny hay particles (from the cows’ feed or environment) in the milk can act as “nucleation sites” where gas bubbles start to form more easily—helping explain variations in hole formation. Cheeses without holes are called “blind.”
Flavor and Uses
Swiss-style cheese tastes sweet, nutty, and mildly tangy with a smooth, slightly elastic texture. It’s excellent for:Sandwiches (the classic Reuben or ham and Swiss)
Melting (grilled cheese, burgers)
Fondue — a Swiss specialty where the cheese is melted with white wine, garlic, and kirsch, then served with bread and pickles.
Other Famous Swiss Cheeses
“Swiss cheese” doesn’t mean only the holey kind. Switzerland produces many excellent varieties:Gruyère AOP — Nutty, slightly sweet, and great for melting; fewer or smaller holes.
Appenzeller — Pungent and herbal (from a secret brine recipe).
Raclette — Semi-hard, ideal for melting over potatoes or bread.
Tête de Moine — Shaved into delicate rosettes with a special tool.
Sbrinz — Extra-hard, aged, and grating-style.
Vacherin Mont d’Or — Soft, washed-rind, seasonal treat.
Authentic Swiss versions often carry AOP (Appellation d’Origine Protégée) protection, like Emmentaler AOP or Le Gruyère AOP.
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