In a large bowl whisk together the granulated sugar, brown sugar, and melted butter.
Add the eggs and vanilla extract then mix for another minute or two until the mixture has lightened in color.
Gently press the sides up to seal the cookie dough ball to not expose the Nutella. Roll it into a ball and place it on a sheet pan or plate. Once all cookies are rolled cover the sheet and place in the fridge to chill for at least two hours, minimum.