Share a little about the materials, processes, and techniques used to create this cake Homemade Chocolate cake and buttercream frosting. What are you most proud of? She is most proud of how smooth she got the white base. This is very difficult for her. What advice would you give someone starting this project? If the person receiving this cake does not like chocolate, this design may not be the best, as the only way to get the tree trunk and branches the right color, was to add cocoa to the frosting, along with the food color paste.