Charles Ellicott Commentary Leviticus 8:16

"And he took all the fat that was upon the inwards, and the caul of the liver, and the two kidneys, and their fat; and Moses burned it upon the altar." — Leviticus 8:16 (ASV)

And he took all the fat. —That is, in accordance with the directions given in Exodus 29:13. For the different portions of the sacrifice see Leviticus 3:3-5.