Leviticus 3:4-6

Revised Standard Version Catholic Edition

⁴ and the two kidneys with the fat that is on them at the loins, and the appendage of the liver which he shall take away with the kidneys. ⁵ Then Aaron’s sons shall burn it on the altar upon the burnt offering, which is upon the wood on the fire; it is an offering by fire, a pleasing odor to the Lord.

⁶ “If his offering for a sacrifice of peace offering to the Lord is an animal from the flock, male or female, he shall offer it without blemish.