Hadithcore
Mishkat al-Masabih, 3147

‘Ali said that at the battle for Khaibar God’s Messenger forbade the temporary marriage (<i>mut’a</i>) of women, and eating the flesh of domestic asses. (Bukhari and Muslim.)

وَعَنْ عَلِيٍّ رَضِيَ اللَّهُ عَنْهُ أَنَّ رَسُولَ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ نَهَى عَنْ مُتْعَةِ النِّسَاءِ يَوْمَ خَيْبَرَ وَعَنْ أكل لُحُوم الْحمر الإنسية

References1 variant
In-Book Reference
Book 13, Hadith 67