Leviticus 3:3-4
Read this passage and open each verse for the full verse feed and commentary tools.
3And from the sacrifice of the peace offering, as an offering by fire to the LORD, he shall offer the fat covering the entrails and all the fat that is on the entrails, 4and the two kidneys with the fat that is on them at the loins, and the appendage of the liver which he shall take away with the kidneys.
Leviticus 3:3-4 (RSV)