Preheaten oven to 180 °C. Mix 75g cashews in a blender until a flour consisidency
Whisk together the dry ingredients: 350g spelt flour, 2 tsp baking powder, ¾ tsp baking soda, 2 pinches of salt, 1 tsp vanilla and 175g Erythrit/Erythritol in a large bowl
In a measuring jar whisk together 310ml soy milk, 100ml lemon juice, 110ml neutral oil and 90g applesauce. Pour the wet ingredients into the dry and stir until a homogenous batter is formed
Grease the sides of two springfrom pans (20cm/8inch) and divide the batter into the prepared springform pans and bake for about 30-35minutes.
After the toothpick test, let the cake cool down for about 10 minutes before you remove the pan and transfer them onto a wire rack. to cool completely.
Meanwhile prepeare the filling: Add 280g frozen blueberries, Erythritol and lemon juice to a sauce pan and let it simmer over medium heat for about 10 minutes. In a small bowl combine 1 tbsp cornstarch with 3 tbsp of water. Add this mixture to the berries so the filling get's thicker.
Let it allow to cool down completely in the fridge.
As soon as the cakes have cooled down, mix 200g (vegan) butter with a hand mixer until creamy. Then add 150g (vegan) cream cheese and beat until combined. Add 230g powdered sugar, ¾ tsp blue spirulina and 1 tbsp lemon juice and mix until well combined.
Cut both of the cakes horizontally into two equal layers. Place one cake layer on a plate. Spread half of the filling (step 6) onto it. Top with the next cake layer and spread 100g coconut yoghurt on this cake. Put the next cake layer on the previous and add the last filling (step 6). Then place the fourth layer on top.
Spread the frosting (step 8) all over the cake and sprinkle with some sprinkels. I had some frosting left over and decorated it on top a bit more.