Gateau ferrero rocks
Found on Facebook
 mellow cocoa/hazelnut: 
 4 eggs 
 150 gr of sugar 
 125 gr of very soft butter 
 100 gr of flour 
 50 gr of cocoa 
 80 gr of hazelnut powder 
 1 sachet of baking powder 
 The frosting: 
 200 gr of very fresh Mascarpone 
 3 good spoons of Nutella 
 50 gr of crushed hazelnut 
 Decor: 100 gr crushed hazelnuts 
 5 ferrero rochers 
 Nutella 
 Whole hazelnuts 
 Preparation: 
 The soft cocoa/hazelnuts: 
 Preheat the oven to 180 ° C. or the robot: 
 Beat the eggs until they double in size and become foamy (about 3 minutes). Add the sugar. The mixture will take more volume. 
 Sift the flour, cocoa and hazelnut powder. 
 Add the butter, then the sieved mixture while continuing to beat very hard. 
 Add the yeast. Mix well. 
 Butter and/or coat a mold. 
 Pour the dough and cook for 45 minutes at 180 ° C. Unmould once the mellow has cooled down. 
 Cut the cake in half in sense of length. Book 
 Icing: 
 Beat the very fresh mascarpone with the nutella. Book 
 The assembly: 
 Put a good layer of frosting on one side of the cake. 
 Sprinkle some crushed hazelnuts. Cover with the other part of the cake. 
 Glaze the cake on and around. Remove excess frosting with a spatula. 
 Sprinkle crushed hazelnuts around the cake. 
 Cool for 1 hour 
 Place a few spoons of Nutella in a piping bag with a fluted socket.> Decorate small rosettes harmoniously on the top of the cake. 
 Place a Ferrero rock on each rosette