Adam Clarke on Luke 22:21

The hand of him that betrayeth me, etc. - What can be desired more, says Dr. Lightfoot, as a demonstration that Judas was present at the eucharist? And, whereas the contrary is endeavored to be proved out of John 13, nothing is made out of nothing; for there is not one syllable throughout that whole chapter of the paschal supper, but of a supper before the feast of the passover.