Sahih Muslim
The Book Pertaining to Piety and Softening of Hearts (Kitab Al-Zuhd wa Al-Raqaiq)
Book Number: 042 / Hadith Number: 7083
'A'isha reported: Never had the family of Muhammad (may peace be upon him) eaten to the fill since their, arrival in Medina with the bread of wheat for three successive nights until his (Holy Prophet's) death.