Mishkat al-Masabih 21 Foods كتاب الأطعمة 32

وَعَنْهَا قَالَتْ: مَا شَبِعَ آلُ مُحَمَّدٍ يَوْمَيْنِ مِنْ خُبْزِ بُرٍّ إِلَّا وَأَحَدُهُمَا تمر

She said Muhammad’s family did not have a full meal of wheaten bread on two successive days, but would have dates on one of them. (Bukhari and Muslim.)