Stacey, our product page does a pretty good job of explaining it, so we'll quote directly from there: "Potato flour, ground from peeled, dried potatoes, is a clever, simple way for bakers to create a moist yeast bread (with excellent shelf life). The starch in potatoes attracts and holds water, and helps to increase the moisture content in baked goods. Potato flour, when combined with all-purpose, bread, or whole wheat flour, makes yeast dough easier to shape and handle." Mollie@KAF

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