Moses
Leviticus 3:3BSB·traditional attribution

From the peace offering he is to bring a food offering to the LORD: the fat that covers the entrails, all the fat that is on them,

Matthew Henry Presbyterian @wholebiblehenry

The burnt-offerings had regard to God as in himself the best of beings, most perfect and excellent; they were purely expressive of adoration, and therefore were wholly burnt. But the peace-offerings had regard to God as a benefactor to his creatures, and the giver of all good things to us; and therefore these were divided between the altar, the priest, and the owner. Peace signifies, 1. Reconciliation, concord, and communion.

Commenting on Leviticus 3:1-5

John Gill Reformed Baptist @doctorgill

And he shall offer of the sacrifice of the peace offering,.... That is, the priest, not all of it, but some of it, even what is after mentioned: an offering made by fire unto the Lord; for what was offered to the Lord was burnt, and is that part of it which is next mentioned in this and the following verse: the fat that covereth...

Jamieson-Fausset-Brown Reformed @jfbcommentary

he shall offer of the sacrifice of the peace offering--The peace offering differed from the oblations formerly mentioned in this respect: while the burnt offering was wholly consumed on the altar, and the freewill offering was partly consumed and partly assigned to the priests; in this offering the fat alone was burnt; only a small part was allotted to the priests while the rest was...