1. You can cook the spinach by wilting it in a pan and letting its water dry up. Or you can microwave spinach for about 2 minutes and squeeze out the water and use. 2. This is vegan and healthy snack. 3. Using oats makes this recipe gluten free. 4. Add chillies as per taste. You can skip them altogether. 5. If you feel that your mixture feels a bit wet, then add more potatoes and/or oats or semolina to help bind it better. 6. You can also add a whole cashew, almond or walnut on top of each kabab to give it a restaurant feel. 7. While air frying use parchment paper so that your kabab don't stick to the air fryer basket.