Share a little about the materials, processes, and techniques used to create this cake Buttercream frosting in different colors and piping gel. What are you most proud of? It may not look it in the picture but this is a monster cake four layers thick and 12 by 18 inches wide. What advice would you give someone starting this project? Prep first. Sketch out a design, decide on your colors and then bake. Make your frosting. And then have fun.