Musnad Abu Ya'la al-Mawsili 149:93

Abu Bakr narrated to us, Husayn ibn Ali narrated to us, from Za'idah, from Abd al-Aziz ibn Rufay', from Ibn Abi Mulaykah, from Ikrimah, from Aisha: That the Prophet (peace and blessings of Allah be upon him) would pass by the cooking pot, take a piece of meat with bone (al-'arq) from it, consume some of it, and then pray without performing ablution.