Coloring the batter:
The batter dropped into the cake pans:
... with the frosting and the candles.
And the fabulous and colorful inside of the cake:
We had fun eating the cake, even when most of our family didn´t really enjoy this "unhealthy" treat. It is just not common here in Germany to eat such bright and colored stuff. But the cake tasted great and my kids and I liked it. I followed these instructions and used them on this recipe.