Sahih Muslim — The Book of Hunting, Slaughter, and what may be Eaten — Hadith No: 5012
Translation
Adi (he was the son of Thabit) said:I heard al-Bara' and 'Abdullah b. Abu Aufa say: We found domestic asses and we cooked them. Then the announcer of Allah's Messenger (ﷺ) made an announcement that the earthen pots should be turned over