05Use a ¼ cup scoop to evenly distribute the batter between the muffin liners. They should be 2/3 full.
06Dollop 1 teaspoon of Nutella on top of each scoop of batter and swirl with a toothpick.
07Bake for approximately 20 minutes. Check the centers with a toothpick. The toothpick should come out clean before removing the muffins from the oven.