اللَّهُمَّ ارْزُقْنِي رِزْقًا وَاسِعًا حَلَالًا طَيِّبًا
Allahumma-rzuqni rizqan wasi'an halalan tayyiba
Ee Allah, niruzuku riziki pana, halali, na nzuri.
Recite when asking for sustenance
This dua asks for provision that is not only abundant but also halal (lawful) and tayyib (pure/good).