Glad You Asked! What is Bleached All Purpose Flour? Pillsbury BEST™ All purpose Flour is a blend of hard and soft wheat appropriate for all uses. Flour is bleached to improve color and baking performance. This process does not affect the nutritional value of the flour. What is the Best Way to Store All Purpose Flour? Store flour in an airtight container in a cool place (75F or cooler) away from heat. For maximum shelf life, flour may be stored in refrigerator or freezer. If My Recipe Calls for Sifting, Do I Need to Sift? No! Pillsbury BEST All Purpose Flour is pre-sifted, so it is appropriate for all recipes whether they call for sifted flour or not. However, shipping and storage may have caused settling of the flour so it is always a good practice to loosen the flour with a fork or spoon before measuring. What Flours Can I Substitute with All Purpose Flour? All Purpose and Unbleached All Purpose Flour can be used interchangeably. If the recipe calls for Self Rising Flour, simply add 1-1/2 teaspoons baking powder and 1/2 teaspoon salt for every cup of All Purpose Flour substituted in the recipe. How Many Cups per Pound of Flour? There are about 3-1/2 cups of flour in 1 pound.