Leviticus 8:16-18

¹⁶And he took all the fat on the inside parts, and the fat on the liver, and the two kidneys with their fat, to be burned on the altar;

¹⁷But the ox, with its skin and its flesh and its waste, was burned with fire outside the tent-circle, as the Lord gave orders to Moses.

¹⁸And he put the male sheep of the burned offering before the Lord, and Aaron and his sons put their hands on its head,