Leviticus 7:3-6

³and all its fat he bringeth near out of it, the fat tail, and the fat which is covering the inwards,

⁴and the two kidneys, and the fat which is on them, which is on the flanks, and the redundance above the liver (beside the kidneys he doth turn it aside);

⁵and the priest hath made them a perfume on the altar, a fire-offering to Jehovah; it is a guilt-offering.

⁶'Every male among the priests doth eat it; in the holy place it is eaten — it is most holy;