“No grain offering that you bring to the LORD shall be made with leaven, for you shall burn no leaven nor any honey as a food offering to the LORD.
11. No meat-offering, which ye shall bring. God here forbids leavened cakes to be offered to Him, by which rite the ancients were taught that God’s service is corrupted if any strange invention be mingled with it. Nor can it be doubted but that.
Here, I. Leaven and honey are forbidden to be put in any of their meat-offerings: No leaven, nor any honey, in any offering made by fire, Lev 2:11. 1. The leaven was forbidden in remembrance of the unleavened bread they ate when they came out of Egypt. So much despatch was required in the offerings they made that it was not convenient they should stay for the leavening of them.
Commenting on Leviticus 2:11-16
No meat offering which ye shall bring unto the Lord shall be made with leaven,.... It might be used in peace offerings, and in the wave loaves, Lev 7:13 but not in meat offerings; not only in the handful that was burnt, but in the rest that was eaten by Aaron and his sons; for so is the rule (p),"all meat offerings are kneaded in...