Digha Nikaya 1:1043
SUJATOIme dve piṇḍapātā samasamaphalā samavipākā, ativiya aññehi piṇḍapātehi mahapphalatarā ca mahānisaṁsatarā ca.
These two almsmeal offerings have identical fruit and result, and are more fruitful and beneficial than other almsmeal offerings.