Exodus 29:34 in the World English Bible
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.
Context
33 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.
34 And if ought of the flesh of the consecrations, or of the bread, remain unto the morning, then thou shalt burn the remainder with fire: it shall not be eaten, because it is holy.
35 And thus shalt thou do unto Aaron, and to his sons, according to all things which I have commanded thee: seven days shalt thou consecrate them.