2. Add sugar and blue pigment to the light cream and smooth the cake as a whole. The cake can be made into sandwiches according to your own preferences, or you can leave it out if you don't like it. Decorate one side of the cake with a serrated scraper.
3. Close the bottom of the cake and hook the pattern on the cake surface; Make some colored cream; Filled with colored cream; Decorate with white cream; Write with drawing paste; Put on chocolate mahjong; Just add some decorations.