How do I proceed?

Pour two tablespoons of white vinegar onto a microfiber cloth. If you prefer, you can always spray a little directly onto the hob;
Rub to remove dirt. Repeat the action if necessary;
As a final touch, clean the surface of the oven with a soft cloth soaked in a few drops of olive oil in a circular motion. Of course it’s better to be clean! On the one hand, vinegar removes stains and on the other hand, stainless steel shines thanks to olive oil.
By the way, there is another important reminder. The longer you delay cleaning a hob, the dirtier it becomes, making the job more difficult… So take note of this grandma’s tips and save your precious appliance to avoid long cleaning sessions!