Leviticus 1:7-9
7 The sons of Aaron the priest are to put fire on the altar and arrange wood on the fire.
8 Then Aaron’s sons the priests shall arrange the pieces, including the head and the fat, on the burning wood that is on the altar.
9 He is to wash the inner parts and the legs with water, and the priest is to burn all of it on the altar. It is a burnt offering, an offering made by fire, an aroma pleasing to the Lord.