2 large carrots, peeled and cut into 1.5cm/陆in cubes
2 celery sticks, sliced
2 garlic cloves, finely chopped
300g/10陆oz small new potatoes, scrubbed and halved
1 onion, roughly chopped
2 tbsp finely chopped fresh tarragon
700ml/1录 pint chicken stock
2 level tbsp plain flour
200g/7oz frozen soya beans (edamame), defrosted
1 level tbsp wholegrain mustard
salt and freshly ground black pepper
1 cinnamon stick
1 tbsp light olive oil
1 star anise (optional)
8 chicken thighs, boneless, skin removed, cut into bite-sized pieces