Bhogajanavagga

Vinayapiṭaka · Parivāra · Vol. 8 · Section 324

[324] Having accepted cakes filling two or three bowls, one who accepts more than that commits two offences (āpatti): while he is accepting, there is a dukkaṭa in the act; when it has been accepted, there is an offence of pācittiya.

English translation from the Pali (Siam Raṭṭha edition) — under review, not for citation.

This passage also appears in 1 other place

Vol. 8 · Section 337 — Acelakavagga