Share a little about the materials, processes, and techniques used to create this cake I've used a 3 layer Dutch sponge cake filled with buttercream (from Joshua) and strawberry .. I love the buttercream it is sooooooooooooo easy to work with. thank you Joshua your the best! What are you most proud of? that I tried. I was always affraid for cakes like this. I thought they were always difficult. but it wasn't.. I am really glad that I tried What advice would you give someone starting this project? try and you will succeed!