When I read it, I can hear an implied thought. You did remember the night that Israel left Egypt. Now you need to remember the reason Israel left Egypt.
Israel was commanded to remember the Passover event.
Exodus 13:3
And Moses said unto the people, Remember this day, in which ye came out from Egypt, out of the house of bondage; for by strength of hand the LORD brought you out from this place: there shall no leavened bread be eaten.
Deuteronomy 16:3
Thou shalt eat no leavened bread with it; seven days shalt thou eat unleavened bread therewith, even the bread of affliction; for thou camest forth out of the land of Egypt in haste: that thou mayest remember the day when thou camest forth out of the land of Egypt all the days of thy life.
Deuteronomy 16:12
And thou shalt remember that thou wast a bondman in Egypt: and thou shalt observe and do these statutes.
And now Jesus tells us to take the unleavened bread, not for the remembrance of the Exodus, but for His sake who brings us out of the world.
The cup, which has a special significance in the Passover meal 4 times taken and a
fifth cup poured but not drunken for it’s significance.
There is a future for Christ where we wait to take the cup with Him.
Luke 22:18
For I say unto you, I will not drink of the fruit of the vine, until the kingdom of God shall come.
This is an observance along with the
afikomen that the Jews may observe
without understanding the meaning of what they are doing.