Air fryers have brought a healthier cooking trend, yet not all foods are suitable for this appliance. Wet-battered items, leafy greens, and popcorn are best avoided due to potential mess or appliance damage. Delicate fish, raw grains, and specific frozen foods may not achieve desired results. Tips for optimizing air fryer use include careful monitoring of fatty foods to prevent splatters and smoke. Discover what to cook and what to steer clear of to make the most of your air fryer experience.