(17) باب كَيْفَ كَانَ عَيْشُ النَّبِيِّ صلى الله عليه وسلم وَأَصْحَابِهِ، وَتَخَلِّيهِمْ مِنَ الدُّنْيَا
Narrated `Aisha:
A complete month would pass by during which we would not make a fire (for cooking), and our food used to be only dates and water unless we were given a present of some meat.
Reference: Sahih al-Bukhari 6458
In-book reference: Book 81, Hadith 47
USC-MSA web (English) reference(deprecated numbering scheme): Vol. 8, Book 76, Hadith 465