Leviticus 3:4-6

New Century Version

⁴ both kidneys with the fat that is on them near the lower back muscle, and the best part of the liver, which he will remove with the kidneys. ⁵ Then the priests will burn these parts on the altar, on the whole burnt offering that is on the wood of the fire. It is an offering made by fire, and its smell is pleasing to the Lord.

⁶ “‘If a person’s fellowship offering to the Lord is a lamb or a goat, it may be a male or female, but it must have nothing wrong with it.