Leviticus 3:4-9

4both kidneys with the fat on them near the loins, and the long lobe of the liver, which you will remove with the kidneys.

5Then Aaron’s sons are to burn it on the altar on top of the burnt offering that is lying on the burning wood; it is a food offering, an aroma pleasing to the Lord.

6“ ‘If you offer an animal from the flock as a fellowship offering to the Lord, you are to offer a male or female without defect.

7If you offer a lamb, you are to present it before the Lord,

8lay your hand on its head and slaughter it in front of the tent of meeting. Then Aaron’s sons shall splash its blood against the sides of the altar.

9From the fellowship offering you are to bring a food offering to the Lord: its fat, the entire fat tail cut off close to the backbone, the internal organs and all the fat that is connected to them,