Leviticus 7:14-16

Amplified Bible

¹⁴ Of this he shall present one [cake] from each offering as a contribution to the Lord; it shall belong to the priest who sprinkles the blood of the peace offerings.

¹⁵ ‘The meat of the sacrifice of thanksgiving presented as a peace offering shall be eaten on the day that it is offered; none of it shall be left until morning. ¹⁶ But if the sacrifice of his offering is a vow or a freewill offering, it shall be eaten on the day that he offers his sacrifice, and on the next day that which remains of it may be eaten;