All-Purpose Flour The biggest difference between cake flour and all-purpose flour is the protein content. "When making baked goods like bread, strong flour with high protein makes sense.

Additionally, plain, all-purpose or soft white flour is usually bleached to make it look more attractive.

Self-raising flour is used in baking and cake-making, and is often an ingredient in packaged cake mixes. If you do not have self-raising flour, combine plain flour with baking powder and salt ...