حَدَّثَنَا هَنَّادٌ، حَدَّثَنَا وَكِيعٌ، عَنْ طَلْحَةَ بْنِ يَحْيَى، عَنْ عَمَّتِهِ، عَائِشَةَ بِنْتِ طَلْحَةَ عَنْ عَائِشَةَ أُمِّ الْمُؤْمِنِينَ، قَالَتْ دَخَلَ عَلَىَّ رَسُولُ اللَّهِ صلى الله عليه وسلم يَوْمًا فَقَالَ ‏"‏ هَلْ عِنْدَكُمْ شَيْءٌ ‏"‏ ‏.‏ قَالَتْ قُلْتُ لاَ ‏.‏ قَالَ ‏"‏ فَإِنِّي صَائِمٌ ‏"‏ ‏.‏

Aishah, the Mother of the Believers, narrated: "The Messenger of Allah visited me one day and said: 'Do you have anything (to eat)?'" She said: "I said: 'No.' He said: 'Then I am fasting.'" Translation Not Available

Book Ref: Jamiya Tirmidhi Book 8 Hadith 733
Web Ref:  Jamiya Tirmidhi Vol 2 Book 3 Hadith 733