neon marble cake

Ladies and gents, are you ready for ALL the food colouring?!galaxy 4 galaxy 3

If you like your cakes full of E numbers, this is the one for you. I’m catching up on post writing; this is the spectacular mouth-staining number that I made for my housemate Rachel back in October to round off Birthday Week. This is the student version of this gorgeous constellation cake by Sprinkle Bakes. It’s not just a pretty face either – it tastes great, too.

Ingredients:

Cake:
  • 2 cups plain flour
  • third cup cornflour
  • 1 tbsp baking powder
  • ¼ tsp salt
  • 4 egg whites
  • two-thirds cup vegetable oil
  • 1 cup caster sugar
  • 1 cup buttermilk
  • 1 tsp vanilla extract
  • purple, blue and green food colouring
Icing:

{Apologies, I can’t remember the quantities I used, but this is my standard recipe for buttercream}

  • 150g unsalted butter {room temp.}
  • 300g icing sugar
  • {jam might be nice between the layers, if you fancy it 🙂 }
  • 1 tsp vanilla extract
  • 250 – 500g black fondant {I bought 500g worth, but I think 250g would probably be enough}
  • edible silver glitter

Method:

cake:

Preheat your oven to 160*C and line two circular tins with greaseproof paper.

Whisk together the egg whites, buttermilk, oil, sugar and vanilla in a mixing bowl.

Sift the remaining dry ingredients and fold them into the wet mixture in three additions.

Divide the batter into three bowls and add a generous amount of food colouring to each, mixing well so it’s not streaky.

Spoon the batter into the tins in blobs until it’s all used up. Gently drag a knife or a skewer through the mixture to marble the colours together.

galaxy 1

Bake for around 18 minutes, until a skewer comes out clean.

Remove the cakes from their tins to cool down.

Decoration:

Whip the butter using electric beaters, and then add the icing sugar. Mix through carefully to avoid the accidental inhalation of icing sugar, and then beat for a couple of minutes! Add the vanilla and a little hot water/milk if it’s too dry. If you like, now’s the time to level your cakes. {I don’t really tend to, because in my studenty/lazy mindset I think it’s a bit of a waste. I like my cake covered in icing before I eat it  😛 }

Put a dollop of buttercream onto the top of one cake and spread it out, before putting the other cake on top. Use the remaining buttercream on the sides, but it doesn’t need to be too neat as we’re going to cover it with fondant.

Roll the fondant out into a big circle on a clean surface dusted with icing sugar. Carefully roll the fondant back onto the rolling pin and then transfer it quickly onto the cake. Pat down the edges and trim off any excess. Use a fondant smoother if you’ve got one to round out the edges and make it look neat. To finish it off, I sprayed the cake pretty liberally with silver glitter to add to the original space theme.

galaxy 2

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2 thoughts on “neon marble cake

  1. Omg, this looks amazing!! Thank you for sharing the recipe – my brother would love this 🙂 (P.s love your blog xx)

    Pop over to my blog!

    Sarah
    sarahinks.co.uk

    Like

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