UNLEAVENED BREAD WAS USED FOR PEACE OFFERINGS

Leviticus 7:11 And this is the law of the sacrifice of peace offerings, which he shall offer unto the LORD.

Leviticus 7:12 If he offer it for a thanksgiving, then he shall offer with the sacrifice of thanksgiving unleavened cakes mingled with oil, and unleavened wafers anointed with oil, and cakes mingled with oil, of fine flour, fried.