Today’s Daf Yomi page, Pesachim 45, talks about the prohibitions on leaven that is inedible. Which might cause distress to certain kinds of bakers: Shy Krug, a master of sourdough bread, joins us to explain the ancient and intricate process he considers his hobby, and why Passover presents a special challenge. What do you do with your beloved sourdough starter, which you feed and care for yearlong, when the time comes to eradicate that hametz? Listen and find out.