Aaishah (radhi-yAllahu 'anhaa) reported that the Messenger of Allah (sal-Allahu 'alayhe wa sallam) was given a sheep and he ordered for it's distribution. When the servant would come back [from distributing it] , 'Aaishah would ask: "What did they say?", he replied: "They would supplicate:
بَارَكَ اللَّهُ فِيكُمْ
Pronunciation
BaarakAllahu feekum
Meaning
May Allah bless you all
Source: Ibn As-Sunni (Page 138 , Hadith no. 278). Also see, Ibnul Qaiyyum's Al Wabilus Sayyer Page 304. Tahkeek, Bashir Mamud Uyyun.
Duas from IslamicAPI's Masnun Dua dataset (based on the Quran, hadith, Hisnul Muslim and Rahe Belayat). See the dataset