When it comes to sourdough baking, the protein content in flour plays a much bigger role than many home bakers realise. From dough hydration to fermentation speed and crumb structure, understanding how flour protein affects sourdough can help you bake more consistent, better-textured loaves. In this article, we’ll break down what protein percentages mean, how to read flour labels, and why choosing the right flour for your sourdough makes all the difference.
