Upon the burnt sacrifice - Upon the ashes of the continual burnt-offering Exodus 29:38, in accordance with Leviticus 6:12.
Related Commentaries of Leviticus 3:5
Leviticus 3:5
5 And Aaron's sons shall burn it on the altar upon the burnt sacrifice, which is upon the wood that is on the fire: it is an offering made by fire, of a sweet savour unto the LORD.