To prepare the marinade: In a large bowl mix together the oil, smoked paprika, garlic, lemon juice and seasoning. Set aside half of this mixture then add the chicken to the remainder and mix so that the chicken is evenly coated with the marinade. Stir though the thyme.
To cook: Preheat the air-fryer for 3 minutes at 200°C. Add the chicken and cook for 14 minutes at 200°C. Turn the chicken halfway through.
While the chicken is cooking make the dressing: Mix together the yogurt and the reserved marinade. Stir through the coriander and season with salt and black pepper.
Serving Suggestions
To serve: Heat the pittas. You can do this in the toaster. Dice the avocado and the tomatoes and place them in a small bowl. Add the lemon juice and coriander leaves and season.
Cut the pittas in half then add a couple of lettuce leaves to each half, them some of the tomato and avocado mixture. Spoon in a little of the yogurt dressing, then some chicken, some more tomato and avocado then another spoon of yogurt.