Lamb? Check.
Matzah? Check.
Wine? Check.
Enough of all three that the disciples were having trouble staying awake an hour later? Check.
I don't know what "passover" you think you're celebrating on Good Friday, but if it forgoes the above, it isn't the Passover that Messiah kept, calendrical quibbles aside.
Shalom.
Indeed it isn’t, and the difference is far from being merely gastronomical. In fact, the early Church ensured that the Christian Pascha never coincides with the Jewish Passover for a reason: two different events are celebrated, the Passion of Christ and the Exodus from Egypt.
You're criticizing us for giving up the symbol in favor of the reality to which the symbol pointed. It's sort of like complaining that marriage doesn't look like betrothal.