Preheat the oven at 175 degrees Celsius.
Place a baking paper in a round baking form.
Start by making the cake. Stir together the eggs and the sugar.
Peel and grate the carrots.
Add the carrots in the sugar batter and stir.
Add the olive oil in the sugar batter and stir.
Add the vanilla sugar, baking powder, cinnamon powder and the flour and mix well.
Pour the batter in the baking form. Place in the middle of the oven for 20 minutes.
Time to make the frosting while the cake is in the oven. Start by mixing the butter soft with an electrical mixer.
Add the cream cheese and mix well.
Add the icing sugar and citron juice and stir.
Place the frosting in the fridge.
Take out the cake and let it cool down in room temperature.
Take out the frosting from the fridge and spread evenly on the cake.
Sprinkle the nuts on top, place the cake in the fridge for 1 hour.