Special cake flour with a high starch-to-gluten ratio is made from fine-textured, soft, low-protein wheat. It is strongly bleached, and compared to all-purpose flour, cake flour tends to result in cakes with a lighter, less dense texture.[2] Therefore, it is frequently specified or preferred in cakes meant to be soft, light, and or bright white, such as angel food cake. However, if cake flour is called for, a substitute can be made by replacing a small percentage of all-purpose flour with cornstarch or removing two tablespoons from each cup of all-purpose flour.[3][4][5] Some recipes explicitly specify or permit all-purpose flour, notably where a firmer or denser cake texture is desired.