Leviticus 3:12

10and the two kidneys, and the fat that is on them, which is by the loins, and the cover on the liver, with the kidneys, he shall take away.

11The priest shall burn it on the altar: it is the food of the offering made by fire to the LORD.

12“‘If his offering is a goat, then he shall offer it before the LORD.

13He shall lay his hand on its head, and kill it before the Tent of Meeting; and the sons of Aaron shall sprinkle its blood around on the altar.

14He shall offer from it as his offering, an offering made by fire to the LORD; the fat that covers the innards, and all the fat that is on the innards,