Moses
Leviticus 2:2ESV·traditional attribution

and bring it to Aaron’s sons the priests. And he shall take from it a handful of the fine flour and oil, with all of its frankincense, and the priest shall burn this as its memorial portion on the altar, a food offering with a pleasing aroma to the LORD.

Matthew Henry Presbyterian @wholebiblehenry

There were some meat-offerings that were only appendices to the burnt-offerings, as that which was offered with the daily sacrifice (Exo 29:38, Exo 29:39) and with the peace-offerings; these had drink-offerings joined with them (see Num 15:4, Num 15:7, Num 15:9, Num 15:10), and in these the quantity was appointed.

Commenting on Leviticus 2:1-10

John Gill Reformed Baptist @doctorgill

And he shall bring it to Aaron's sons, the priests,.... And this is all that he did with it; he left it with the priest, who carried it to the altar, to the southwest horn of it (b): the order of bringing it, according to Maimonides (c), was this,"a man brings fine flour from his house in baskets of silver or of gold or of...

Jamieson-Fausset-Brown Reformed @jfbcommentary

shall burn the memorial--rather, "for a memorial"; that is, a part of it.