It took me the whole day before Mitya's birthday to make this cake, but it was worth it )) Mitya liked his cake!
Explore #7! Thank you!
Русскоязычный рецепт в моем ЖЖ
Here is link to Martha Stewart's Rainbow Cake. I found it after I made my cake and there's a totally different recipe, but I guess it would be helpful for English speakers. There is also a video, so if you plan to make a Rainbow Cake - go check it out!