Leaven: Forbidden: To be offered with Meat offerings Which Were Burned

No grain offering that you present to the LORD may be made with leaven, for you are not to burn any leaven or honey as a food offering to the LORD.

And Moses said to Aaron and his remaining sons, Eleazar and Ithamar, “Take the grain offering that remains from the food offerings to the LORD and eat it without leaven beside the altar, because it is most holy.