Preheat air fryer to 180˚C.
In a large bowl, combine the cauliflower, lemon zest, salt and pepper and a tsp of Ras-el-Hanout spices and chilli flakes. Toss to combine and place in batches in the air fryer basket.
Cook for 6-10 minutes until florets are tender and edges are browned, stirring halfway through if needed.
In the meantime, in a small bowl, combine the lemon juice, parsley and stir in a tablespoon of oil or a few splats of oil spray to help coat the parsley. Season with salt and pepper and keep aside.
Once the cauliflower florets are roasted, transfer into a bowl and sprinkle the parsley mixture.
Toss to combine and enjoy.