ENOfficial
It was narrated that ‘Umar bin Abu Salamah said: “The Prophet (ﷺ) said to me, when I was eating: ‘Say the Name of Allah, the Glorified and Exalted.’”
Source: sunnah.com
Other translations
Arabic
حَدَّثَنَا مُحَمَّدُ بْنُ الصَّبَّاحِ، حَدَّثَنَا سُفْيَانُ، عَنْ هِشَامِ بْنِ عُرْوَةَ، عَنْ أَبِيهِ، عَنْ عُمَرَ بْنِ أَبِي سَلَمَةَ، قَالَ قَالَ لِيَ النَّبِيُّ ـ صلى الله عليه وسلم ـ وَأَنَا آكُلُ " سَمِّ اللَّهَ عَزَّ وَجَلَّ " .
sunnah.com