“Why would you waste three days cooking a bit of beef?” “How can a cut like that taste good?” “Wouldn’t a nice fillet be tastier?” So go the questions. So goes the debate. I can tell you now. The debate is over. There is very little to be said. For the technical amongst you, this was beef cheeks sous vide 54/72 (129/72 American and 54ºC for 72 hours for the non technical).