Leaven not burnt in offering

Le 6:17 It shall not be baken with leaven. I have given it [unto them for] their portion of my offerings made by fire; it [is] most holy, as [is] the sin offering, and as the trespass offering. Le 10:12 And Moses spake unto Aaron, and unto Eleazar and unto Ithamar, his sons that were left, Take the meat offering that remaineth of the offerings of the LORD made by fire, and eat it without leaven beside the altar: for it [is] most holy: