Leviticus 3:7

5Aaron’s sons shall burn it on the altar on the burnt offering, which is on the wood that is on the fire: it is an offering made by fire, of a pleasant aroma to the LORD.

6“‘If his offering for a sacrifice of peace offerings to the LORD is from the flock, either male or female, he shall offer it without defect.

7If he offers a lamb for his offering, then he shall offer it before the LORD;

8and he shall lay his hand on the head of his offering, and kill it before the Tent of Meeting. Aaron’s sons shall sprinkle its blood around on the altar.

9He shall offer from the sacrifice of peace offerings an offering made by fire to the LORD; its fat, the entire tail fat, he shall take away close to the backbone; and the fat that covers the entrails, and all the fat that is on the entrails,