Air-Fryer Honey Bun Cake

In a large mixing bowl, combine the yellow cake mix, sour cream, vegetable oil, and eggs. Mix until well combined and smooth.
In a separate small bowl, mix together the brown sugar and ground cinnamon until evenly combined.
Pour half of the cake batter into the bottom of a greased air fryer-safe baking pan or dish. Sprinkle half of the cinnamon sugar mixture evenly over the batter. Repeat with the remaining batter and cinnamon sugar mixture.
Use a knife or skewer to gently swirl the cinnamon sugar mixture into the cake batter, creating a marbled effect.
Sprinkle chopped pecans over the top of the cake batter if desired, for added crunch and flavor.
Place the baking pan or dish into the preheated air fryer basket. Air fry the cake at 325°F (160°C) for 30-35 minutes, or until a toothpick inserted into the center comes out clean.
Once the cake is cooked through, remove it from the air fryer and let it cool slightly. Dust the top of the cake with confectioners' sugar for a sweet finish. If desired, drizzle with vanilla glaze before serving.