[Machine] From the Prophet Muhammad ﷺ , he said, "When one of you eats, let him lick his three fingers."  

عَنِ النَّبِيِّ ﷺ قَالَ «إِذَا أَكَلَ أَحَدُكُمْ فَلْيَلْعَقْ أَصَابِعَهُ الثَّلَاثَ»