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
Wensleydale cheese Lower Wensleydale. They brought with them a recipe for making cheese from sheep's milk. During the 14th century cows' milk began to be used instead, and the character of the cheese began to change. A little ewes' milk was still mixed in since it gave a more open texture, and allowed the development of the blue mould. At that time, Wensleydale was almost always blue with the white variety almost unknown. Nowadays, the opposite is true, with blue Wensleydale rarely seen. When the monastery was dissolved in 1540, the local farmers continued making the cheese until the Second World War,