★Do you want a Instant Pot Vortex Cooking Guide?★ An air fryer is an appliance that crisp up food by circulating hot air around the food. It uses the principle of heat convection. Of course, it has an adjustable temperature knob and timer for you to achieve a more precise cooking. An air fryer does not require that your food be cooked in oil, hence it does not increase the fat and/or calorie content of your food...