When dining at someone's house

اللَّهُمَّ بَارِكْ لَهُمْ فِيمَا رَزَقْتَهُمْ وَاغْفِرْ لَهُمْ وَارْحَمْهُمْ

Transliteration

Allahumma barik lahum feema razaqtahum, waghfir lahum, war hamhum

Translation

O Allah! Bless them in what You have provided for them, and forgive them and have Mercy on them.

SourceAbu Dawud: 3729

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