Exodus 29:13-15

Lexham English Bible

¹³ And you will take and turn into smoke on the altar all the fat covering the inner parts and the lobe on the liver and the two kidneys and the fat that is on them. ¹⁴ And the flesh of the bull and its skin and its offal you will burn with fire outside the camp; it is a sin offering.

¹⁵ “And you will take the one ram, and Aaron and his sons will lay their hands on the head of the ram.