Leviticus 7:31-33

New Revised Standard Version, Anglicised Catholic Edition

³¹ The priest shall turn the fat into smoke on the altar, but the breast shall belong to Aaron and his sons. ³² And the right thigh from your sacrifices of well-being you shall give to the priest as an offering; ³³ the one among the sons of Aaron who offers the blood and fat of the offering of well-being shall have the right thigh for a portion.