Chorizo, chicken and chickpea casserole

INGREDIENTS

• 2 tbsp vegetable oil
• 500g/1lb 2oz chicken thighs
• 1 onion
• 1 garlic
• 2 carrots
• 1 celery
• 1 red chilli
• splash red wine
• 275g/9½oz chorizo
• 100ml/3½fl oz dry sherry
• 1 x 400g/14oz can chopped tomatoes
• 200ml/7fl oz chicken stock
• 1 x 400g/14oz can chickpeas
• salt and freshly ground black pepper
• handful chopped fresh parsley
• crusty bread