Once you have gathered all these ingredients, follow the steps below:
Place the whisk on the robot. Add vanilla sugar and eggs to the glass. Program at speed 4 / 10 minutes. Meanwhile, put the Nutella in the microwave for 2 or 3 minutes to make it more liquid and softer.
Add the Nutella and flour to the glass. Program at speed 4 / 3 minutes.
All that is left is to pour the contents of the glass into a previously greased cake mould and place it in the oven. In this one it will have to remain approximately 28 minutes to 180º.