# What You'll Need:
→ Donut Dough
01 - 1 cup all-purpose flour
02 - 1/4 cup granulated sugar
03 - 1 1/2 teaspoons baking powder
04 - 1/4 teaspoon salt
05 - 1/3 cup whole milk
06 - 1 large egg
07 - 2 tablespoons unsalted butter, melted
08 - 1 teaspoon vanilla extract
→ Cinnamon Sugar Topping
09 - 1/4 cup granulated sugar
10 - 1 1/2 teaspoons ground cinnamon
11 - 2 tablespoons unsalted butter, melted
# Method:
01 - Whisk together all-purpose flour, granulated sugar, baking powder, and salt in a medium bowl.
02 - In a separate bowl, whisk milk, egg, melted butter, and vanilla extract until smooth.
03 - Add wet ingredients to dry, stirring until just combined without overmixing.
04 - With lightly greased hands, shape dough into 16 small balls, approximately 1 tablespoon each.
05 - Preheat the air fryer to 350°F (175°C) for 3 minutes.
06 - Place dough balls evenly spaced in a single layer in the air fryer basket; cook in batches if needed.
07 - Air fry for 7 to 8 minutes, shaking the basket halfway through, until golden and cooked through.
08 - Brush warm donut bites with melted butter immediately after cooking.
09 - Toss the brushed donut bites in the cinnamon and sugar mixture until evenly coated.
10 - Serve immediately to enjoy optimal texture and flavor.