Chapter 18 — Part II: The Sacraments — The Holy Eucharist
Section 93. This is also an obvious inference from the narrative of the Evangelists. It is not to be supposed that our Lord consecrated the bread used at the Last Supper in separate parts, applying the form particularly to each, but that all the bread then used for the sacred mysteries was consecrated at the same time and with the same form, and in a quantity sufficient for all the Apostles. That the consecration of the chalice was performed in this manner, is clear from these words of the Saviour: Take and divide it among you.