Learn how to make a sourdough starter from scratch in just 7 days—bubbly and ready to bake. Step-by-step photos and tips included. How to Make and Maintain a Sourdough Starter (Beginner’s Day-by-Day Guide) Sourdough isn’t just bread—it’s a living, breathing kitchen companion. In just one week, you can create your starter from scratch using nothing more than flour, water, and a little patience. I’ll guide you step-by-step, from that first mix to a bubbly, happy starter ready to bak...