Step 1

Heat the oven to 180C/fan 160C/gas 4.

Step 2

Rub the chicken with 2 tbsp oil and season well. Mix the chilli flakes, sumac, cinnamon and cumin together then dust the chicken in the spices.

Step 3

Put onto a large baking tray and roast for 45 minutes to 1 hour until the chicken is tender.

Step 4

Whisk the dressing ingredients in a small bowl. Serve the chicken drizzled with the dressing.