Leviticus 3:10-13

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 Yahweh.

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

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.