Allahumam barik lahum fee maa razak’thahum wagh’fir lahum warhamhum

اَللّهُمَّ بَارِكْ لَهُمْ فِيْ مَا رَزَقْتَهُمْ وَاغْفِرْ لَهُمْ وَارْحَمْهُمْ

Meaning:
O Allah. Bless them in what Thou hast provided them as sustenance; and forgive them and have mercy upon them.
(Book: Muslim 3805)