01 -
Preheat the air fryer to 315°F (approximately 157°C) for 5 minutes and grease a 6-inch round cake pan.
02 -
In a small bowl, whisk together flour, cocoa powder, salt, and baking powder until evenly mixed.
03 -
In a microwave-safe bowl, melt butter and chocolate chips together in 30-second intervals, stirring between each, until smooth. Set aside to cool slightly.
04 -
In a large bowl, whisk the egg, granulated sugar, and vanilla extract until the mixture becomes light in color and fluffy.
05 -
Slowly add the melted butter and chocolate mixture into the egg mixture, stirring gently to combine. Fold in the dry ingredients until no flour streaks remain, being careful not to overmix.
06 -
Pour the batter into the prepared pan and place it in the preheated air fryer. Bake at 315°F (157°C) for 15 minutes, or until a toothpick inserted two-thirds into the center comes out with only a few moist crumbs.
07 -
Using oven mitts, carefully remove the pan and allow the brownies to cool in the pan for 10 minutes before serving. Optionally, top with ice cream or whipped cream.