Leviticus 2:2, 9

and then take it to Aaron’s sons, the priests. The priest must take a handful of the fine flour and oil and all the incense, and burn it on the altar as a memorial portion. It is an offering made by fire, and its smell is pleasing to the LORD.

He will take out the memorial portion from the grain offering and burn it on the altar, as an offering made by fire. Its smell is pleasing to the LORD.