01 - Lightly spray a microwave-safe mug with nonstick cooking spray
02 - Add angel food cake mix and water to the mug. Stir well until fully combined and smooth
03 - Place the mug in the air fryer basket. Cook at 320°F for 7-8 minutes or until the cake has risen and is set in the center. Check doneness with a toothpick—it should come out clean
04 - Carefully remove the hot mug from the air fryer. Let cool for 1-2 minutes. Top with whipped cream and fresh berries if desired. Serve immediately