They are to eat the meat that night, roasted over the fire, along with unleavened bread and bitter herbs.
Beginning the year with spring, when the earth renews itself, was a fitting shadow of Christ's coming. Yet here is the deeper lesson: when our heads swim with care and our hands are full of urgent business, we must not let religion slip away or excuse ourselves from devotion. The sacred rite binds us to God even in our haste.
AI summary
Commenting on Exodus 12:1-20
And they shall eat the flesh in that night, roast with fire,.... The night of the fourteenth of Nisan; and as the Jews reckoned their days from the evening preceding, this must be the beginning of the fifteenth day, which being observed, will serve to reconcile some passages relating to this ordinance.
roast with fire--for the sake of expedition; and this difference was always observed between the cooking of the paschal lamb and the other offerings (Ch2 35:13). unleavened bread--also for the sake of despatch (Deu 16:3), but as a kind of corruption (Luk 12:1) there seems to have been a typical meaning under it (Co1 5:8).