Musnad Abu Ya'la al-Mawsili 112:10

Suwayd ibn Sa'id narrated to us, Baqiyyah narrated to us, from Yusuf ibn Abi Kathir, from Nuh ibn Dhakwan, from al-Hasan, from Anas, who said: The Messenger of Allah (peace and blessings of Allah be upon him) said: "Indeed, it is of extravagance that you eat everything you desire."