Leviticus 1:8,9,12,13
And the priests, Aaron's sons, shall lay the parts, the head, and the fat, in order on the wood that is on the fire which is on the altar:
Torrey's Topical Textbook—AKJV

Leviticus 6:9
Command Aaron and his sons, saying, This is the law of the burnt offering: It is the burnt offering, because of the burning on the altar all night to the morning, and the fire of the altar shall be burning in it.
Torrey's Topical Textbook—AKJV