Deuteronomy 18:3
This is the priests’ share from the people who offer a sacrifice, whether it is an ox, a sheep, or a goat; the priests are to be given the shoulder, jaws, and stomach.
Leviticus 7:30-34
His own hands will bring the fire offerings to the Lord. He will bring the fat together with the breast. The breast is to be waved as a presentation offering
Deuteronomy 12:27
Present the meat and blood of your burnt offerings on the altar of the Lord your God. The blood of your other sacrifices is to be poured out beside the altar of the Lord your God, but you may eat the meat.