He has no need to offer up sacrifices day by day like those other kohanim g’dolim—first for their own sins and then for the sins of the people. For when He offered up Himself, He did this once for all.
“Bring your brother Aaron near with his sons from among Bnei-Yisrael, so that they may minister to Me as kohanim—Aaron and his sons Nadab and Abihu, Eleazar and Ithamar.
It must not be baked with hametz. I have given it as their portion of My offerings made by fire. It is most holy, like the sin offering and like the trespass offering.