Although Paul was not with Jesus and the 11 apostles in 33 C.E., he surely learned from some of the apostles what happened on that occasion. Furthermore, Paul evidently got confirmation of aspects of that event by inspired revelation. Said Paul: “I received from the Lord that which I also handed on to you, that the Lord Jesus in the night in which he was going to be handed over took a loaf

1 Corinthians 11:23