Apply the noise filter with the same settings as before. Add a new layer and add the same cutout as before. Lower the transparency to 87. Turn off the hat layer and merge visible. Make it a little bumpy looking.
Flood fill it with white and add noise to it with the same settings as before.
Apply the same cutout as before. Turn off the hat and puffball layers then merge visible. Apply the same inner bevel settings. Turn all the layers back on and deselect. Merge visible layers and save.