Musnad Abu Ya'la al-Mawsili 113:7

Narrated to us Surayj, narrated to us Muhammad ibn Abd al-Rahman al-Tafawi, from Ayyub, from Abu Qilabah, from Anas, who said: The Messenger of Allah (peace and blessings of Allah be upon him) said: "When the evening meal is placed and the prayer is established, then begin with the evening meal."