The OT Lord’s Supper, the NT Passover
The Supper that Jesus instituted on the night he was betrayed was a new Passover meal. Or we might say that the Passover was the Old Testament Lord’s Supper.
The reason the Lord instituted the Passover was so that people of Israel would always remember and proclaim their redemption from Egypt:
This day shall be for you a memorial day, and you shall keep it as a feast to the…