Leviticus 3:3-5

3And from the sacrifice of the peace offering, as a food offering to the Lord, he shall offer athe fat covering the entrails and all the fat that is on the entrails, 4 band the two kidneys with the fat that is on them at the loins, and the long lobe of the liver that he shall remove with the kidneys. 5Then Aaron’s sons cshall burn it on the altar on top of the burnt offering, which is on the wood on the fire; it is a food offering with a pleasing aroma to the Lord.

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