1. In a medium skillet, heat oil over medium heat. Stir-fry onion and garlic for 3 minutes.
2. Add the tomato puree, eggplant, and cherry tomatoes. Simmer for 5 minutes. Season to taste with salt and pepper. Transfer into a baking dish that can fit inside your air fryer basket.
3. Sprinkle with Parmesan and chopped basil.
4. Set your air fryer to 180 C (360 F). Cook for about 20 minutes.