Sour Flour Hotline

Sour Flour is dedicated to helping people learn to understand how to bake bread. We always encourage questions, either by email, or through the Sour Flour Hotline. Contact the Sour Flour Breaducator, Cat Shimizu, with any sourdough starter or bread questions you may have: cat@sourflour.org, or (650) 868-0243. Happy baking!