Whomever Allah has given food, should say: O Allah, bless us in it and provide us with better than i...

Reference:At-Tirmidhi 5/506. See also Al-Albani, Sahih At-Tirmidhi 3/158.Hisnul Muslim 179

'اللَّهُمَّ بَارِكْ لَنَا فِيهِ وَأَطْعِمْنَا خَيْراً مِنْهُ' 'اللَّهُمَّ بَارِكْ لَنَا فِيهِ وَزِدْنَا مِنْهُ'

Transliteration

Whomever Allah has given food, should say:Allāhumma bārik lanā fīhi. wa aṭ`imnā khayran minh. Whomever Allah has given milk to drink, should say :Allāhumma bārik lanā fīhi. wa zidnā minh.

Translation

Whomever Allah has given food, should say: O Allah, bless us in it and provide us with better than it. Whomever Allah has given milk to drink, should say: O Allah, bless us in it and give us more of it.