“In the three accounts of the Last Supper there is no hint of allegory”
I must disagree, when Jesus is physically standing there and saying this bread is my body, this wine is my blood, the metaphor is beyond obvious.
Comments like “you could have studied this yourself, what prevented you?” are insulting and unhelpful. Just because I reach a different conclusion than you does not mean I have not studied a matter.
And He asked people to keep metaphorizing their own loaves of bread? and insisted He was serious and not metaphorical for half a chapter in John 6? and no one took it metaphorically till Luther figured he wanted to start his own religion? Read the gospel every once in a while...