Law of the Paschal sacrifice. That the Paschal lamb is here intended by "my sacrifice," seems to be certain, since the two injunctions to put away leavened bread, and to allow none of the victim's flesh to remain till the morning (see Exodus 12:10), are combined in the Paschal sacrifice only.
Of all the offerings commanded in the law the Paschal lamb was the most important, since it typified Christ. It may therefore well be termed, in an especial way, "God's sacrifice.'' By the fat of my feast some understand the fat of the lamb, others the best part of the feast (Keil)—i.
e; the lamb itself. In Exodus 34:25, which is closely parallel to the present place, we read, for "the fat of my feast," "the sacrifice of the feast of the passover."