Magic cake has been around for a few years now, but in the last week or so the internet has become pretty obsessed with this baking phenomenon. Magic cake, at its basic level, is one very loose cake batter that magically turns into a three-layered custard cake. The cake looks like it took a ton of effort and time, but it's actually super easy to create. Not convinced? I've rounded up 15 magic cake recipes that will make you a believer.