McDougalls Self Raising Supreme Sponge Flour 1kgSupreme Sponge Flour is the only flour that is specially made for sponge making. We use selected, premium soft wheat that are extra sifted to create a finer flour. This means it can absorb more moisture than regular self raising flours. The end result is sponges that are very soft, light and even textured perfect for when you want to bake something that's a slice above the rest. Extra fine self raising flour, for even lighter sponges, Suitable for