Here is the complete mantra which is read before eating food:
Brahmārpañam Brahma Havir BrahmāgnauBrahmañāhutaṃ,
Brahmaiva Tena Gantavyam BrahmakarmāSamādhinah.
AhamVaishvānaroBhutvā PrāñināmḌehamāshritaha,
PrāñāpānaSamāyuktah PachāmyannamChaturvidham.
HarirDātāHarirBhoktā Harir Annam Prajāpatih
HarirVipraSharīrāstu BhūnkteBhojayateHarih.
Brahmārpañam Brahma Havir BrahmāgnauBrahmañāhutaṃ,
Brahmaiva Tena Gantavyam BrahmakarmāSamādhinah.
AhamVaishvānaroBhutvā PrāñināmḌehamāshritaha,
PrāñāpānaSamāyuktah PachāmyannamChaturvidham.
HarirDātāHarirBhoktā Harir Annam Prajāpatih
HarirVipraSharīrāstu BhūnkteBhojayateHarih.