I made a Rick and Morty cake for my amazing boyfriend's birthday because he introduced me to the show, we watched a lot of it when we first started dating, and it's awesome..! So.! :)
Making intricate color flow decorations takes a lot of time to do well, and the resulting decorations are fragile, but I like the effect and level of detail you can achieve. There's a reason not everyone does this for sure! Make sure to allow for plenty of time to fully dry in between layers and sections so the colors don't bleed. Very intricately detailed images may need to be pared down initially, or you can always add in embellishments with other tools and techniques later, such as using edible markers to finish a piece. I typically draw or print out the image that I'd like to make, and tape it to a flat surface such as a cake board. Cover the image with a piece of parchment paper, and tape to secure it. Trace the image using a pencil, and add or omit details as you want to. Cover this image with a piece of wax paper and tape to secure it. Mix up your color flow icing (or Royal icing) and start tracing! A few tips- keep plastic wrap over the surface of the icing, it dries out really quickly. I tend to separate it out into different containers that I mix with colored food gel to achieve the various colors that I need. It pays to plan ahead or at least think ahead as to what makes the most sense to complete first, etc. Use very small amounts of water at a time- we're talking drops- to thin out icing in order to flood a section. Take your time and don't over-saturate the mixture. Make sure to allow any borders to fully dry before flooding an area with icing.
