Quick Answer
A general ratio for a sourdough starter is 1 part flour to 1 part water by weight, though some bakers prefer a slightly thicker or thinner consistency.
Choosing the Right Flour
The type and weight of flour used can significantly impact the development of a sourdough starter. Typically, a high-protein flour such as bread flour or all-purpose flour with a high protein content (12-14%) works best. Avoid using low-protein flour like cake flour or pastry flour as it may not produce enough gluten for a healthy starter.
Mixing the Starter
To create a sourdough starter with a 1:1 flour-to-water ratio by weight, measure 50 grams of flour and 50 grams of water into a clean glass or ceramic container. Mix until the flour is fully dissolved, then let the mixture rest at room temperature (around 70°F to 75°F or 21°C to 24°C) for 24 hours. After 24 hours, discard half of the starter and add another 50 grams of flour and 50 grams of water. Repeat this process every 24 hours for the next 5 to 7 days to allow the starter to mature and develop a robust, tangy flavor.
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