Q: What is unbleached flour?— I.B., Reynoldsburg, OhioA: All-purpose flour comes in two varieties, bleached or unbleached.Bleaching chemically ages flour, changing its color from ivory to white. The change happens naturally over time; bleaching speeds up the process.Chemical bleaching, however, also changes the flour's structure so that it does not form gluten as well as unbleached flour. As a result, don't use bleached flour for bread-baking, where the formation of gluten is [...]
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