A Story About What’s Happening Inside Your Starter. Every sourdough loaf gets its flavor long before it ever becomes dough. Before shaping. Before proofing. Before baking. It happens in the jar. Most people chase flavor by changing recipes. Different flours. Different hydrations. Different techniques. But flavor isn’t hiding in the recipe. It’s already being decided inside your starter. Once you understand what’s happening there, flavor stops being a mystery and starts becoming a choice.