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Aeroplane themed birthday cake

Aeroplane themed birthday cakeSo here it is, my vision became a reality. This year I made Lukas birthday cake aeroplane themed which he really enjoyed. I have been dreaming about this cake for ages (not really I practically copied the idea from here). The only thing I wanted to do differently is to try and dye the frosting with natural dyes….

But as you may know the colour blue is hard to find in nature! I know i know, the sky is blue, but you can’t exactly put that in the icing. With a bit of research and friends recommendation I went with butterfly pea tea that is sort of blue. You see I had fun with experimenting and realised that butterfly pea tea changes colour according to the ph of the liquid you mix it into. With a bit of lemon it turns to a burgundy violet and with milk it turns into bluish sky blue. Although this might sound easy, the blue that I get from mixing the tea with milk is not concentrated enough for what is needed when you try to dye large amounts of frosting. I ended up using it in soft cheese frosting and it turned out a little more lilac then sky blue. Shall we imagine that the planes are flying over a sunset sky?Aeroplane themed birthday cake BLUEBERRY YOGURT CAKE WITH BUTTERFLY PEA FROSTING

(for the cake)

  • 3 eggs
  • 350g caster sugar
  • 450g greek yogurt
  • 180g rapeseed or olive oil
  • 300g ground almond
  • 250g plain flour
  • 1 tsp vanilla extract
  • 3tsp baking powder
  • 2 handful blueberries

(for the meringue)

  • 3 egg whites, room temperature
  • 100g icing sugar, sifted
  • few drops of lemon
  • pinch of salt

(for the frosting)

  • 600g soft cheese
  • icing sugar to taste, sifted
  • butterfly pea tea, brewed in little water

(for the “aeroplanes”)

  • cocktail sticks
  • wafers in the finger form

1. To make the cake beat the eggs with sugar. Add the rest of the ingredients and mix again to combine. Pour equal amount of cake mixture into two lined baking tins. Bake in 180C oven for 40-45min.Aeroplane themed birthday cake 2. Meanwhile prepare the meringues for baking. Baking these will take few hours on the low heat once the cake is baked presuming you don’t have two ovens. Mix the egg whites with drop of lemon, salt and half of icing sugar. Start whisking the mixture while gradually adding the rest of icing sugar. In the past I struggled to make meringues and later I realised that all it needs a little patience. It takes really long time to achieve stiffly whisked egg whites, so bear with it till you can see the results. Don’t worry you can’t over mix it ;-)! Pipe the meringues on the baking sheet into cloud shapes using large round nozzle or no nozzle at all. Bake in C60 preheated oven for 3-4h. I find the longer the baking the whiter the meringues!Aeroplane themed birthday cake with merengue clouds  3. To make the frosting whisk soft cheese with icing sugar (I like it less sweet so I don’t add much). Gradually mix in the butterfly pea tea till you like the shade. Aeroplane themed birthday cake 4. For the plane, cut the wafer finger into aeroplane body shape and small triangle for the fin. Glue the plane using icing sugar and water mixture. Use the cocktail sicks to hold the plane together.Aeroplane themed birthday cake Aeroplane themed birthday cake5. To assemble the cake apply the frosting starting from the top and working your way to the bottom. Arrange the “the clouds” and “the planes” as closer to serving as you can. Sadly, the meringue have a tendency to go soggy.Aeroplane themed birthday cake Aeroplane themed birthday cake Aeroplane themed birthday cake I especially liked the cake. Although it was difficult to apply the frosting due to it being crumbly and moist, I feel it was worth it!Aeroplane themed birthday cakeHope you enjoy it!

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