You are hereUCG.org / Sermons / Which Leaven Leavens Your Lump? Which Leaven Leavens Your Lump? Given on May 24, 2015 by Matt Earles Listen Downloads MP3 Audio (2.37 MB) Downloads Which Leaven Leavens Your Lump? MP3 Audio (2.37 MB) × Leviticus 23:17: What can we learn from this scripture?