John Gills Exposition of the Bible Commentary - Leviticus 3:16
And the priest shall burn them upon the altar ,.... Which shows that not the fat only, but the inwards and the kidneys, were burnt also; so Maimonides says F12 Ut supra, (Maaseh Hakorbanot) c. 9. sect. 11. , that the priest salted the parts, and burned them upon the altar; and the priests might not have the breast and shoulder (which were what belonged to them) until the parts were burnt: it is the food of the offering made by fire ; which the Lord ate of, or accepted of: for... read more
Matthew Henry's Complete Commentary - Leviticus 3:6-17
Directions are here given concerning the peace-offering, if it was a sheep or a goat. Turtle-doves or young pigeons, which might be brought for whole burnt offerings, were not allowed for peace-offerings, because they have no fat considerable enough to be burnt upon the altar; and they would be next to nothing if they were to be divided according to the law of the peace-offerings. The laws concerning a lamb or goat offered for a peace offering are much the same with those concerning a bullock,... read more