Do Not Thaw.
Oven: Preheat oven to 425ºF. Remove desired number of frozen Arancini Bites from tray and place each in an individual cup of a mini-muffin pan or on a foil lined baking sheet allowing 1 inch or more between pieces. Bake uncovered for 11-13 minutes.
Air Fryer: Preheat air fryer to 360°F. Place desired amount of arancini in fry basket leaving ½" space between each piece. Cook for 8-10 minutes.