Leviticus 2:2-3

2He is to bring it to Aaron’s sons, the kohanim, and he should take from there his handful of its fine flour, and of its oil, with all its frankincense. Then the kohen should burn up as smoke its memorial portion on the altar, an offering made by fire—a soothing aroma to Adonai.

3What is left of the grain offering is for Aaron and his sons, a most holy portion of the offerings to Adonai made by fire.