Then Aaron’s sons the priests are to arrange the pieces, including the head and the fat, atop the burning wood on the altar.
If a man were rich and could afford it, it is supposed that he would bring his burnt-sacrifice, with which he designed to honour God, out of his herd of larger cattle. He that considers that God is the best that is will resolve to give him the best he has, else he gives him not the glory due unto his name.
Commenting on Leviticus 1:3-9
And the priests, Aaron's sons, shall lay the parts,.... That were cut in pieces, Lev 1:6 some of which are particularly mentioned: the head and the fat; the head which was cut off, and the body, the trunk of it; so, Aben Ezra says, the wise men interpret the word "fat", which is only used here and in Lev 1:12 and which he thinks is...
the fat--that about the kidneys especially, which is called "suet."