Leviticus 2:2, 9

He shall then bring it to Aaron’s sons the priests; and shall take from it his handful of its fine flour and of its oil with all of its frankincense. And the priest shall offer it up in smoke as its memorial portion on the altar, an offering by fire of a soothing aroma to the LORD.

The priest then shall take up from the grain offering its memorial portion, and shall offer it up in smoke on the altar as an offering by fire of a soothing aroma to the LORD.