Step by step
Add the eggs and mix in. Add the flours prepared earlier and mix well until you get a fairly firm and thick cake mixture.
Tips
If you want to make your banana and Nutella bread even more yummy, add either walnuts or hazelnuts which will provide an extra bit of texture.
Trivia
Banana and Nutella bread is a sponge cake whose origin is clearly to be found in Anglo-Saxon countries, especially the United States and Australia.