ENOfficial
Narrated Asma': We slaughtered a horse (by Dhabh) during the lifetime of Allah's Messenger (ﷺ) while we were at Medina, and we ate it.
Source: sunnah.com
Other translations
Arabic
حَدَّثَنَا إِسْحَاقُ، سَمِعَ عَبْدَةَ، عَنْ هِشَامٍ، عَنْ فَاطِمَةَ، عَنْ أَسْمَاءَ، قَالَتْ ذَبَحْنَا عَلَى عَهْدِ رَسُولِ اللَّهِ صلى الله عليه وسلم فَرَسًا وَنَحْنُ بِالْمَدِينَةِ فَأَكَلْنَاهُ.
sunnah.com