When dining at someones house - 1
اللَّهُمَّ بَارِكْ لَهُمْ فِيمَا رَزَقْتَهُمْ ، وَاغْفِرْ لَهُمْ وَارْحَمْهُمْ
Allahumma barik lahum feema razaqtahum, waghfir lahum, war hamhum
O Allah! Bless them in what You have provided for them, and forgive them and have Mercy on them.
Muslim 3:1615