Happy Valentine’s Day! On my birthday I shared a Valentine’s Day recipe, so it only seems right that I share a birthday recipe on Valentine’s Day, right? Doesn’t really make much sense to me, either, but that’s what’s we’re rocking with today.
So this, ladies and gentlemen, is my magnificent masterpiece of a microwave mug birthday cake. (Loving the alliteration!) It took me a long time to come up with a birthday cake that seemed fitting for me, being a food blogger and all. After combining my love of single-serving desserts, bright colours, simplicity and quickness, this Rainbow Microwave Mug Cake seemed the only option!
I’m going to jump right in and tell you this rainbow cake doesn’t have a red layer – I know. I did make a red layer, but as soon as I did, I completely changed how I was going to make this cake and that made the red layer completely useless. And I certainly wasn’t going to make the whole thing again! Red is totally overrated, anyway.
On the plus side, this recipe does include enough batter for you to make a red layer and now I’ve sussed the correct technique out for you, you won’t have to skip the red layer in the name of vanity and perfection. I can’t really call it perfection can I? A rainbow without a red section surely isn’t perfection. I think I’m going into this a bit too much.
There’s one key piece of equipment you’ll need to make this Rainbow Microwave Mug Cake – a straight mug. As in a mug that has completely straight up and down sides – no curves. This Hello Kitty mug set is the exact two mugs I used but I didn’t get it from the US Amazon (have you seen that shipping price?!) I got my Hello Kitty mugs from Amazon.co.uk.
Each coloured layer is steamed separately in the microwave and in order for you to be able to stack them on top of each other, they need to be straight and not curved. It’s also handy if you have more than one mug of that exact shape and size so you can prep one layer whilst the other is steaming.
Speed is key to making a success of this Rainbow Microwave Mug Cake. The batter is a basic cake batter which really shouldn’t be left sat in numerous bowls for long periods of time. The longer the batter isn’t cooking, the longer the rising ingredients are left to deteriorate, so the faster you work the better.
Apart from that, this cake is really simple to make! Whip up your batter, separate it into seven different bowls, colour each of them and steam each individually in the microwave. Leave the cakes to cool before slicing, stacking and icing. I swear, it’s easier than it sounds!
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