Love your sourdough recipes! I'm making the Rustic Sourdough bread right now, but as I was getting going this morning, I noticed something... my sourdough jar is getting a bit, hmm, crusty? That is, there is a bunch of dried sourdough starter along the sides of the jar and around the rim. Is this a health hazard? If so, how often should I clean the jar? The starter is working so well these days, I hate to mess with it without knowing what I'm doing. Thanks! Great question! The starter jar should be cleaned with hot soapy water and triple rinsed each week when the starter gets its feeding. This eliminates any possibilities of mold and other nasties growing. ~ MaryJane I'm lazy, and only feed my starter every few months; thus I only clean the jar every few months. Seems to be just fine.... But if you're a worrier, you'd probably want to feed/clean more often, as MJ says - PJH

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