Total time: 1 hour 40 minutes
Prep time: 10 minutes, Cook time: 1 hour 30 minutes
Ingredients for 4 people
1 3/4 cups of flour
3 1/2 cups of sugar
4 cups of butter
2 tsp of baking powder
4 egg whites
2 packages of skittles
Make the sponge cake by whisking 1¼ cups of soft butter and 1½ cups of sugar. Add the eggs and continue mixing. Add the flour and baking powder. Bake for 1½ hours at 320°F.
Make the buttercream by heating the egg whites and the sugar in a double boiler at 160°F. Pour in a stand mixer and allow to cool to 95°F. Add the cubes of cold butter and whisk until smooth. When the cake has cooled, cut it in 2 and even it out. Coat with buttercream and glue the 2 parts to make a half circle.
Add a straw on top of the cake with some melted white chocolate. Stick the candy wrapper to the straw. Glue the candies to the cake with the melted white chocolate.
Make the decoration by placing the candies in a circle (respecting the colors of the rainbow). Heat the candies with a blowtorch and lay parchment paper on top. Crush them with a glass. Cut the candy circle in 2 to make 2 rainbows. Glue the rainbows with buttercream on the sides of the cake. Serve and enjoy!