For the cream, beat all the ingredients until a pattern appears.
For the cakes, first chop the nuts. Beat the protein, add sugar in parts, beat until the beak, then add the hazelnuts. Bake at 130°C for 40 minutes.
For the cream, take the basic Kyiv buttercream and add cocoa powder to it.
First, put the meringue in a glass, cream on top and so on 5 times, the final layer is chocolate cream and hazelnuts in caramel.