اللَّهُمَّ ارْزُقْنِي رِزْقًا وَاسِعًا حَلَالًا طَيِّبًا
Allahumma-rzuqni rizqan wasi'an halalan tayyiba
Ya Allah, ka azurta ni da arziki mai yawa, halal, mai kyau.
Recite when asking for sustenance
This dua asks for provision that is not only abundant but also halal (lawful) and tayyib (pure/good).