Leviticus 7:27-31

²⁷Every soul that shall eat blood, that soul shall perish from his people.

²⁸And the Lord spoke to Moses, saying,

²⁹Thou shalt also speak to the children of Israel, saying, He that offers a sacrifice of peace offering, shall bring his gift to the Lord also from the sacrifice of peace offering.

³⁰His hands shall bring the burnt offerings to the Lord; the fat which is on the breast and the lobe of the liver, he shall bring them, so as to set them for a gift before the Lord.

³¹And the priest shall offer the fat upon the altar, and the breast shall be Aaron’s and his sons,