Ibn 'Abbas reported it on the authority of Maimuana, the wife of the Messenger of Allah ﷺ, that the Messenger of Allah ﷺ took (a piece of goat's) shoulder at her place, and then offered prayer but did not perform ablution.
عَنْ مَيْمُونَةَ زَوْجِ النَّبِيِّ ﷺ أَنَّ النَّبِيَّ ﷺ أَكَلَ عِنْدَهَا كَتِفًا ثُمَّ صَلَّى وَلَمْ يَتَوَضَّأْ