Sourdough Secret Revealed: Why Every Loaf Tastes Different

The Editors, 10.02.2026

Studies show that the type of flour used in sourdough baking plays a decisive role in the bread’s acidity—and, as a result, its flavor profile.

Anyone who has ever baked sourdough bread knows this to be true: No two loaves are ever the same. Shape, crumb, aroma—each baked good has its own personality. A range of factors can explain these variations, from hydration levels and baking temperature to the sourdough starter itself, which drives fermentation and rise.

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Sourdough Secret Revealed: Why Every Loaf Tastes Different