Exodus 29:32-34

Aharon and his sons will eat the ram's meat and the bread in the basket at the entrance to the tent of meeting.

They are to eat the things with which atonement was made for them, to inaugurate and consecrate them; no one else may eat this food, because it is holy.

If any of the meat for the consecration or any of the bread remains until morning, burn up what remains; it is not to be eaten, because it is holy.