01 -
Combine water, unsalted butter, 2 tablespoons sugar, and salt in a saucepan; bring to a boil over medium heat.
02 -
Reduce heat to low, add flour gradually, stirring continuously until a smooth dough forms and pulls away from the pan.
03 -
Transfer the dough to a bowl and allow it to cool for 4 to 5 minutes.
04 -
Stir in the egg and vanilla extract until fully blended and the dough is smooth.
05 -
Preheat the air fryer to 190°C and lightly coat the basket with nonstick spray.
06 -
Pipe or spoon the dough into bite-size portions directly onto the air fryer basket, spacing evenly.
07 -
Brush tops of dough bites with melted butter and cook in the air fryer for 10 to 12 minutes or until golden brown.
08 -
Mix the remaining white sugar with ground cinnamon in a shallow bowl.
09 -
While still warm, toss the air-fried bites thoroughly in the cinnamon sugar mixture to coat evenly.
10 -
Serve the churro bites warm accompanied by dipping sauces such as chocolate, Nutella, or honey.