Baking and assembling this cake took me the entire evening before the baby shower until the wee hours of the morning. I wanted a long, layered cake that would surprise everyone with beautiful pastel colors when it was sliced. I used 3 boxes of white cake mix and divided the batch into 6 separate bowls. I added a tiny amount of food coloring to each bowl, and spread each batch onto a jelly roll pan in order to get the long, thin layers. I baked them much less than the recommended bake time, because the layers are so thin. I kept a close eye on each batch to make sure they didn’t burn.
Once the cake was baked, I used a cardboard cake board that I found at Michael’s and cut it into a long rectangle. I used this to slice around to make sure each layer was the same exact size. Then I used the same cake board as the base, so that I would be able to transport the cake without it bending. I layered each color with a thick buttercream frosting, using extra frosting in the shallow areas to make the layers lay flat.
Overall, the cake was a little bit wonky because it was my first time trying this, but I think it turned out nicely given that I’m no pro baker :)
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