unsifted flour

Unsifted flour refers to wheat flour that has not undergone mechanical aeration through a sieve or sifter. Flour becomes naturally compacted during storage and transport, increasing its bulk density compared to freshly milled or sifted flour. The primary difference between unsifted and sifted flour is density: a cup of unsifted flour weighs approximately 30% more than the same volume of sifted flour, typically around 155 grams versus 120 grams respectively. Unsifted flour may contain small clumps of starch and protein that break apart during mixing, and its composition remains chemically identical to sifted flour—the distinction is purely one of particle packing and air content within the same volume.

Unsifted flour is used in recipes where the density of the flour is the controlling measurement rather than volume. Modern baking recipes increasingly specify flour by weight (in grams) rather than cups, rendering the sifting question moot; however, traditional recipes that call for "1 cup unsifted flour" expect this denser measurement. Unsifted flour is commonly used in quick breads, cakes, cookies, and pie doughs when recipes specifically request it, as the increased density affects hydration ratios and final crumb structure. For best results, unsifted flour should be fluffed gently with a fork or spoon before measuring if volume measurement is required, though weight measurement provides superior consistency and accuracy.