In a vessel, add the above mentioned ingredients except Nutella.
Whisk the wet ingredients together no then add the dry ingredients.
Keep it aside for 30 hour.
Heat a Tawa, add a ladle of batter to the Tawa. Add oil or butter if needed. I added oil.
It will be cooked in minutes. Flip over to the other side.
Make the small pancakes and keep it separately.
Now take a scoop of Nutella and place it on a pancake. Take another pancake and place on top of it and cover.