The ultimate makeover: Coronation chicken

Name: The ultimate makeover: Coronation chicken
Ingredients: 1.6kg free-range, organic whole chicken; 2 small onions; 1 carrot, roughly sliced; 4 sprigs tarragon; 2 bay leaves; 1 tbsp rapeseed oil; 4 tsp medium curry powder; 2 tsp tomato purée; 6 soft, ready-to-eat apricot, quartered; 1 tsp light muscovado sugar; 1 tbsp lime juice; 100g mayonnaise; 250g fromage frais, virtually fat free; 6 spring onions; 20g pack coriander, leaves only, chopped; 1 ripe mango, stoned, peeled and sliced; 100g bag watercress