Musnad Abu Ya'la al-Mawsili 126:6

'Abd al-A'la ibn Hammad al-Narsi narrated to us, Khalid ibn 'Abd Allah narrated to us, from 'Abd Allah ibn 'Abd al-Rahman, from Anas ibn Malik, who said: The Messenger of Allah (may Allah bless him and grant him peace) said: "The superiority of 'A'ishah over the women is like the superiority of tharid over the rest of the food."