Leviticus 8:31
And Moses said unto Aaron and to his sons, Boil the flesh at the door of the tabernacle of the congregation: and there eat it with the bread that is in the basket of consecrations, as I commanded, saying, Aaron and his sons shall eat it.
Leviticus 8 belongs to the seven-day account of the consecration of Aaron and his sons, by which rites they were prepared for priestly ministry and duties. It records Moses commanding Aaron and his sons to boil the flesh, meaning the meat of the animal, and to eat it with the bread that was in the basket of consecrations at the door of the tabernacle of the congregation. The passage itself does not explain the meal.
The verse shows the setting apart of the Levitical order of priesthood to continue the ministration Moses began in bringing down the law. That order was appointed to minister before the ark containing the two tables of the law in the Most Holy Place of the typical sanctuary throughout the Old Testament period while the typical sanctuary stood. It offered no sacrifice that could take away sin, but could only point penitent sinners forward to the great Sacrifice to be offered for the sins of men.
The sacrificial details and sanctuary services in these chapters have a typical meaning with spiritual application that is fully seen in the sacrifice, life and work of Jesus Christ, with each sacrifice having typological significance concerning His work. The sacrifices are types pointing forward to Jesus as the Lamb of God who takes away the sin of the world. The Levitical priesthood and its ministry in the earthly sanctuary typified and patterned Christ's priesthood and ministry in the heavenly sanctuary.