Musnad Ahmad 1153:1242

'Uthman ibn 'Umar narrated to us, Ibn Abi Dhi'b informed us, from al-Harith, from Abu Salamah, from 'Aishah, that the Messenger of Allah (may Allah bless him and grant him peace) said: "The superiority of 'Aishah over women is like the superiority of tharid over food."