Heat the air fryer to 190°C
Halve and deseed the red pepper, brush with a little olive oil and roast in the air fryer, skin side up, for 8-10 minutes until the halves are charred and the skin is coming away from the flesh.
Once they have cooled, peel the skin off. (Cooking times for the air fryer depends on the model of your air fryer.)
Deseed the chillies and place in a food processor with all the other ingredients, including the roasted red pepper, and blitz to a paste.
Put the pheasant in a shallow dish and pour over the marinade, turning the pheasant to coat.
Cover with cling film and put in the fridge for four hours or overnight, turning at least twice.
Place the pheasant breast side down in the air fryer and roast for 10 minutes.
Turn the bird over, spoon any remaining marinade over the pheasant and cook for a further 30 minutes or until thoroughly cooked.
If the pheasant begins to brown too much, turn the air fryer down to 170°C.
Once ready, remove the pheasant from the air fryer and leave to rest for 20 minutes.