Easy moroccan chicken with couscous

Ingredients

• 50g pine nuts
• 500g chicken breast or thigh fillet - cut into 2cm dice
• 1 cup flour - seasoned with salt and pepper
• 3 tbsp olive oil
• 2 onions - sliced
• 1 tsp ground cinnamon
• 1 tsp ground cumin
• 1 tsp ground mild paprika
• 1 tsp ground coriander
• 1 cup sultanas
• 1 cup chicken stock - (250mL)
• 1 cup fresh coriander or flat-leaf parsley - chopped
• 1 lemon - juiced
• 2 cups couscous
• 2 cups water or chicken stock
• Thick natural yoghurt - to serve