Ingredients:

For the Dough:

• 6 eggs 
• A pinch of salt 
• 80g sugar 
• 60g flour 
• 100g ground hazelnuts 
• 1 teaspoon baking powder 

For the Cream:

• 4 eggs 
• A pinch of salt 
• 100g sugar 
• 120g cornstarch 
• 1L milk 
• 200g butter 
• 200g chocolate 
• 15g cocoa 
• 100g hazelnuts (roasted and chopped) 
• 8g vanilla sugar 

For the Topping:

• 400ml cream (33% fat) 
• 50g sugar 
• 300g cream cheese 

Instructions:

1. Preheat your oven to 180°C (356°F).
2. For the dough, beat 6 eggs with a pinch of salt until frothy. Gradually add 80g of sugar while continuing to beat.
3. Gently fold in 60g of flour, 100g of ground hazelnuts, and 1 teaspoon of baking powder.
4. Pour the dough into a 24x24cm baking pan and bake for 30 minutes.
5. For the cream, whisk 4 eggs with a pinch of salt. Add 100g of sugar and 120g of cornstarch, whisking until well combined.
6. Heat 1L of milk in a saucepan until almost boiling. Gradually add the egg mixture while stirring constantly until it thickens.
7. Remove from heat, add 200g of butter, 200g of chocolate, 15g of cocoa, 100g of roasted and chopped hazelnuts, and 8g of vanilla sugar. Mix until smooth.
8. Pour the cream over the baked dough.
9. Whip 400ml of cream with 50g of sugar until stiff peaks form, then fold in 300g of cream cheese.
10. Spread the cream mixture over the chocolate layer.
11. Allow the cake to cool and set in the refrigerator.
12. Enjoy your scrumptious Christmas cake with family and friends!