Filet MignonFrom the spine of a cow(loin)The inner part, commonly known as the waist or inner muscles(tenderloin)，It is located in the abdominal cavity and is covered by the oil layer. A cow has only two fillets, which are the tender and tender parts of the beef. At the same time, most of the meat is low-fat refined meat, so you can eat it from three to three according to personal preference.(medium rare) 到七分熟(medium well)，However, when it is over-ripe, it will lose the characteristics of the filet. Not only will the meat become firm, but the chewing texture will become too dry due to the lack of oil.