Bleu de Gex is a creamy, semi-soft blue cheese

Blue cheese

Blue cheese is a general classification of cow's milk, sheep's milk, or goat's milk cheeses that have had cultures of the mold Penicillium added so that the final product is spotted or veined throughout with blue, blue-gray or blue-green mold, and carries a distinct smell, either from that or...

 made from unpasteurized milk in the Jura region of France

France

The French Republic , The French Republic , The French Republic , (commonly known as France , is a unitary semi-presidential republic in Western Europe with several overseas territories and islands located on other continents and in the Indian, Pacific, and Atlantic oceans. Metropolitan France...

. During production, Penicillium glaucum

Penicillium glaucum

Penicillium glaucum is a mold which is used in the making of some types of blue cheese, including Bleu de Gex, Rochebaron and some varieties of Bleu d'Auvergne and Gorgonzola...

 mold is introduced and the unwashed curd

Curd

Curds are a dairy product obtained by curdling milk with rennet or an edible acidic substance such as lemon juice or vinegar, and then draining off the liquid portion. The increased acidity causes the milk proteins to tangle into solid masses, or curds. The remaining liquid, which contains only...

s are loosely packed. It is then aged for at least three weeks. To meet Appellation d'Origine Contrôlée

Appellation d'Origine Contrôlée

Appellation d’origine contrôlée , which translates as "controlled designation of origin", is the French certification granted to certain French geographical indications for wines, cheeses, butters, and other agricultural products, all under the auspices of the government bureau Institut National...

 guidelines, it must contain only the milk of Montbéliard

Montbéliard

Montbéliard is a city in the Doubs department in the Franche-Comté region in eastern France. It is one of the two subprefectures of the department.-History:...

cows. It is flavorful for a French blue cheese. Each wheel is stamped with the word "Gex".