Chicken biryani

INGREDIENTS

• 200g/7¼oz basmati rice
• 1 tsp salt
• 2 tbsp vegetable oil
• 8 shallots
• 2 medium onions
• 4 garlic
• 2 tsp fresh root ginger
• 6 chicken breastchicken breastschicken breastchicken breast
• 1 tsp chilli powder
• 1 tsp ground cumin
• 2 tsp ground coriander
• ½ tsp ground cinnamon
• ½ tsp ground turmeric
• generous pinch freshly grated nutmeg
• ¾ cup plain yoghurt
• 2 tsp caster sugar
• 4 or 5 handfuls raisins