Leviticus 6:14-15

14“‘This is the law of the grain offering. The sons of Aaron are to present it before the Lord in front of the altar,

15and the priest must take up with his hand some of the choice wheat flour of the grain offering and some of its olive oil, and all of the frankincense that is on the grain offering, and he must offer its memorial portion up in smoke on the altar as a soothing aroma to the Lord.