Leviticus 3:13-15

¹³and hath laid his hand on its head, and hath slaughtered it before the tent of meeting, and sons of Aaron have sprinkled its blood on the altar round about;

¹⁴and he hath brought near from it his offering, a fire-offering to Jehovah, the fat which is covering the inwards, and all the fat which is on the inwards,

¹⁵and the two kidneys, and the fat which is upon them, which is on the flanks, and the redundance above the liver, (beside the kidneys he doth turn it aside),