Exodus 29:33 in the King James Version
And they shall eat those things wherewith the atonement was made, to consecrate and to sanctify them: but a stranger shall not eat thereof, because they are holy.
Context
32 Aaron and his sons shall eat the meat of the ram, and the bread that is in the basket, at the door of the Tent of Meeting.
33 They shall eat those things with which atonement was made, to consecrate and sanctify them; but a stranger shall not eat of it, because they are holy.
34 If anything of the meat of the consecration, or of the bread, remains to the morning, then you shall burn the remainder with fire. It shall not be eaten, because it is holy.