Mishkat al-Masabih 13 Marriage كتاب النكاح 130

وَعَنْهُ قَالَ: أَوْلَمَ رَسُولَ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ حِينَ بَنَى بِزَيْنَبَ بِنْتِ جَحْشٍ فأشبع النَّاس خبْزًا وَلَحْمًا. رَوَاهُ البُخَارِيّ

He said that God’s Messenger held a wedding-feast when he took up cohabitation with Zainab daughter of Jahsh and gave the people their fill of bread and meat. Bukhari transmitted it.