Musnad Abu Ya'la al-Mawsili 109:46

Khallad ibn Aslam narrated to us, Abd al-Majid ibn Abi Rawwad narrated to us, Ibn Jurayj narrated to us, from Abu al-Zubayr, from Jabir, who said: The Messenger of Allah (peace and blessings of Allah be upon him) said: "Indeed, the most beloved food to Allah is that upon which many hands have gathered."