Musnad Ahmad 32:356

Abu Ubaydah narrated to us, from Hammam, from Qatadah, who said: We used to come to Anas while his baker was standing. He said: So he said to us one day: "Eat, for I do not know that the Messenger of Allah, peace and blessings of Allah be upon him, ever saw a thin loaf of bread with his own eyes, nor did he ever eat a roasted sheep."