If you sift flour, it becomes aerated and less dense. “A cup of flour sifted before measuring will weigh 20 to 30 percent less than a cup of flour sifted after measuring – a difference that can make a ...

You’ve probably come across a recipe that asks you to sift an ingredient (usually flour, cocoa powder, or confectioners’ sugar) before starting. But in my book Weeknight Baking, I rarely call for ...