Beat the egg whites with the sugar until foamy.

Stir in the flour, breadcrumbs, baking powder and oil.

Pour the batter in a buttered and floured pan, 7 inches wide baking pan, sprinkle it with chopped hazelnuts. Bake for about 15-20 minutes at 350 F°.

While still hot, spread hazelnut cream over the top of the cake.

Meanwhile, bring the milk to a boil together with the sugar and egg yolk.

Add the vanilla pudding powder and flour, boil until it reaches a pudding-like consistency. Let it cool down while stirring continuously.

Blend in the butter to cream your cream.

Halve the cream and mix the melted chocolate into one half.

Spread the vanilla cream on top of the cake.

Place the milk-soaked butter cookies on top.

Cover this layer with the chocolate cream and let it set.

Decorate the cake with whipped cream.

Good luck and enjoy making the Kinder Bueno cake!