Cave Aged Gruyère is aged in a maze of sandstone caves in the Kaltbach (Lucerne) region of Switzerland for upwards of a year before it’s ready—at least nine months in the caves and three in the cheese dairy. Made from grass-fed, unpasteurized cow’s milk, this nutty and rich cheese is one of Switzerland’s finest. Tourists flock to the sandstone caves in the Kaltbach region to see where this aged cheese develops its unique taste and signature brown rind. The cheese is known for its strong and smooth—yet not overbearing or salty— flavour, as well as its crumbly nature. It’s also a frequent award winner at international cheese competitions.