ENOfficial
It was narrated that Ibn 'Abbas said: "The Messenger of Allah (ﷺ) ate a shoulder, then he wiped his hands on a Mish that was underneath him, then he got up for prayer, and performed the prayer.
Source: sunnah.com
Other translations
Arabic
حَدَّثَنَا أَبُو بَكْرِ بْنُ أَبِي شَيْبَةَ، حَدَّثَنَا أَبُو الأَحْوَصِ، عَنْ سِمَاكِ بْنِ حَرْبٍ، عَنْ عِكْرِمَةَ، عَنِ ابْنِ عَبَّاسٍ، قَالَ أَكَلَ النَّبِيُّ ـ صلى الله عليه وسلم ـ كَتِفًا ثُمَّ مَسَحَ يَدَيْهِ بِمِسْحٍ كَانَ تَحْتَهُ ثُمَّ قَامَ إِلَى الصَّلاَةِ فَصَلَّى .
sunnah.com