Blue cheese mold would form. According to legend, Roquefort was discovered when a youth, eating a lunch of bread and ewes' milk cheese, abandoned his meal in a nearby cave after seeing a beautiful girl in the distance. When he returned months later, the mold ("Penicillium roqueforti") had transformed his cheese into Roquefort. Gorgonzola is one of the oldest known blue cheeses, having been created around 879 AD, though it is said that it did not actually contain blue veins until around the 11th century. Stilton is a relatively new addition becoming popular sometime in the early 1700s. Many varieties of blue
Sheep milk cheese especially when produced outside their country of origin. It takes between 2 weeks to 2–3 months up to two years for the cheeses to fully ripen. French sheep milk cheeses include Abbaye de Bellocq, , Berger de Rocastin, Brebicet, Le Claousou, Lévejac, Valdeblore, Roquefort, Ardi-gasna, Agour, Ossau-Iraty, Brocciu, Asco, Brin d'amour,Faisselle, Fleur de Maquis, A filetta, and Niolo. Greek sheep milk cheeses include Feta and Halloumi. Italian sheep milk cheeses include Pecorino Romano, Pecorino Sardo, Pecorino Siciliano, Pecorino Toscano and Ricotta. Israeli Sheep milk cheeses Tzfatit tari(fresh Tzfat cheese)and Tzfat cheese |Tzfatit Kasheh]] Aged Tzfat cheese Croatian sheep milk cheeses