Trường Bộ Kinh (Digha Nikaya) 1:1042
SUJATOYañca piṇḍapātaṁ paribhuñjitvā tathāgato anuttaraṁ sammāsambodhiṁ abhisambujjhati, yañca piṇḍapātaṁ paribhuñjitvā tathāgato anupādisesāya nibbānadhātuyā parinibbāyati.
The almsmeal after eating which a Realized One awakens to the supreme perfect awakening; and the almsmeal after eating which he becomes fully extinguished in the element of extinguishment with no residue.