If you would like to buy chateaubriand then just take care you may not want anything else once you have tasted this wonderful cut of steakr r chateaubriand prime beef steak has been cut from the rump end of the filletr r it is one of the tenderest pieces of meat available traditionally it is roasted but it can also be cut into steaksr r buy chateaubriand and you can serve it anywhere from blue to well done it just melts in the mouth if cooked carefully