Dua for the one offering food or drink
ْاللَّهُمَّ أَطْعِمْ مَنْ أَطْعَمَنِيْ وَاسْقِ مَنْ سَقَانِي.
Translation :
O Allah, feed the one who has fed me and give to drink the one who has given me to drink.
Transliteration :
Allāhumma aṭʿim man aṭʿamanī, wa-sqi man saqānī.
Hadith:
Miqdād (raḍiy Allāhu ‘anhu) narrated in a long hadīth that the Messenger of Allah ﷺ lifted his head to the heavens and said [the above]. (Muslim 2055)