Share a little about the materials, processes, and techniques used to create this cake Yellow cake, buttercream icining, heart shaped cookies, heart candy suckers, and small candy hearts. What are you most proud of? Every9one Loved it.. What advice would you give someone starting this project? Learn how to make the Wilton icing and then just use your imagination.. If you used store bought cake mix always use the one with pudding in it.. Makes a moist cake.