Ingredients : 4 egg whites 4 tablespoons sugar 1 tablespoon flour 50 g. ground hazelnut cream 1: 4 yolks 10 g. vanilla sugar 3 tablespoons sugar 3 tablespoons cornstarch 300ml. milk 40 g. chocolate 50 g. butter 100ml. whipping cream already sweetened cream 2: 200ml. whipping cream already sweetened 50 g. mascarpone cheese 30 g. hazelnut