Combine the egg and water to a small bowl, mixing well to make an egg wash.
Place 1t of Nutella® in the center of a wonton wrapper.
Place a slice of banana on the Top of the Nutella®.
Brush the egg wash along two sides of the wonton wrapper and seal it, folding the sides together.
Repeat until all the wontons are used.
Press Menu and use the START/PAUSE dial to select Menu Preset 54. Press START/PAUSE to begin preheating. Once preheated, the unit will beep twice, display “Ready”, countdown for 10 seconds and then beep once to give you time to insert your food.
Open the door and place the wontons in the Air Fry Basket and slide it into Position 2.
Close the door to begin cooking at 350˚F for 7 minutes, after which the unit will beep three times and display “End”.
Once the wontons have sufficiently browned, carefully remove them from the unit and dust them with cinnamon or powdered sugar.