Jollof rice with chicken

INGREDIENTS

• 8 skinless, boneless chicken thighs , cut into large pieces
• 3 tbsp vegetable or sunflower oil
• 1 large onion , halved and sliced
• 3 tbsp tomato purée
• 1 chicken stock cube
• 400g basmati rice
• 1 red pepper , deseeded and thickly sliced
• 1 yellow pepper , deseeded and thickly sliced
• 100g okra , halved
• bunch coriander , roughly chopped, to serve
• 2 garlic cloves
• 2 x 400g cans plum tomatoes
• thumb-size piece fresh root ginger
• 1 scotch bonnet chilli, deseeded