01 -
Preheat your air fryer to 350°F (175°C) for 3 minutes.
02 -
Flatten each biscuit slightly with your hands.
03 -
Place about 1 teaspoon of Nutella in the center of each biscuit.
04 -
Fold the dough over the Nutella, pinch the edges to seal tightly, and gently shape into a ball.
05 -
Lightly brush each donut with melted butter.
06 -
Place donuts in the air fryer basket in a single layer and air fry at 350°F (175°C) for 7–8 minutes, or until golden brown.
07 -
While still warm, roll each donut in cinnamon sugar or plain granulated sugar.
08 -
Let cool slightly before serving — Nutella inside will be hot.