For the fireman’s cake for the base, put all the ingredients in a bowl and mix well with a mixer or food processor. pour into a loaf pan and bake in the preheated oven at top and bottom heat for about 45-50 minutes.
Then let cool completely and cut horizontally into 3 pieces. Meanwhile, cream the room-warm butter in a food processor for about 5-10 minutes until fluffy.
Continue mixing and add the powdered sugar by the tablespoonful and continue mixing for 2 minutes. Add Nutella and vanilla flavoring and continue to mix until Nutella and buttercream are nicely combined.
Spread the cooled cake layers with jam and Nutella or Nutella buttercream, reassemble and spread with a thin layer of Nutella buttercream.
Chill for 15 minutes and then spread again completely with Nutella buttercream. Finish corners and edges nicely. Color fondant and roll out on some baker’s starch or powdered sugar and place over cake. Press down carefully.
Shape the remaining decorative pieces from fondant and glue them on with a little sugar glue.
The fireman's cake can also be baked with grated almonds. You can also use another jam for it. The dough for the cake is a cup cake. Also sponge cake dough, etc. can be used for it well.