Nutella Swirl Doughnut Muffins
May I suggest some Nutella icing? And possibly some Nutella filling injected into the center? You can't be too careful. You won't want to end up insufficently Nutellad.Link -via Tasteologie | Photo: Baker Streetdonu...
https://www.neatorama.com/2012/08/18/Nutella-Swirl-Doughnut-Muffins/