508. Dua for Eating as a Guest
أَفْطَرَ عِنْدَكُمُ الصَّائِمُوْنَ، وَأَكَلَ طَعَامَكُمُ الْأَبْرَارُ وَصَلَّتْ عَلَيْكُمُ الْمَلَائِكَةُ
اَفْطَرَ عِنْدَكُمُ الصَّائِمُوْنَ، وَاَكَلَ طَعَامَكُمُ الْاَبْرَارُ وَصَلَّتْ عَلَيْكُمُ الْمَلَائِكَةُ
Aftara 'indakumus-saa'imoon, wa 'akala ta'aamakumul-'abraar, wa sallat 'alaykumul-malaa'ikah
Translation
With you, those who are fasting have broken their fast, those who are righteous shall fed by you, and the angels recite their prayers upon you.
If someone breaks the fast of Rasulullah (ﷺ) or feeds any food other than fasting, he would say du'a for him by saying this - (The dua is mentioned above)