Try this HYDRANGEA CAKES recipe, or contribute your own.
Vibrant petals of purple, blue, and pink buttercream cluster densely across these miniature cakes, yielding a visual profile as dramatic as their dense, fine-crumbed interior. Achieving this structural integrity depends entirely on the flour you choose, because swapping cake flour for all-purpose flour without adjusting protein content will result in a tougher, less tender crumb. When substituting all-purpose flour for cake flour, remove two tablespoons from every cup and replace it with cornstarch to mimic the lower nine-percent protein level required for proper rising. This adjustment prevents the gluten network from developing too strongly during the initial mixing phase when the butter and dry ingredients combine.
Standard decorating bags often complicate multi-colored floral effects, but wrapping layered stripes of colored buttercream tightly inside plastic wrap creates a neat cylinder that drops directly into a piping bag fitted with a Wilton 2D star tip. Chilling the baked layers in the freezer for thirty minutes firms the crumb just enough to prevent tearing when spreading the initial crumb coat of white frosting.