Adam Clarke's Commentary on the Bible - Leviticus 2:11
No meat-offering - shall be made with leaven - See the reason of this prohibition in the note on Exodus 12:8 ; (note). Nor any honey - Because it was apt to produce acidity, as some think, when wrought up with flour paste; or rather because it was apt to gripe and prove purgative. On this latter account the College of Physicians have totally left it out of all medicinal preparations. This effect which it has in most constitutions was a sufficient reason why it should be prohibited... read more
Adam Clarke's Commentary on the Bible - Leviticus 2:8
Thou shalt bring the meat-offering - It is likely that the person himself who offered the sacrifice brought it to the priest, and then the priest presented it before the Lord. read more