Section 1 Mishkat al-Masabih 2076
Translation
‘A'isha said
The Prophet came to visit me one day and asked if I had anything [to eat]. When I said I had nothing he replied, “Then I shall observe a fast.” When he came to me another day and I told him I had been given a present of some hais* he said, “Show me it, for I began the day fasting.” Then he ate. *A mixture of dates and clarified butter.Muslim transmitted it.