Sweet winter chicken

Name: Sweet winter chicken
Cuisine: European, British
Ingredients: 400g mixed peeled potato, swede and parsnips; 1 cal spray; 2 chicken breasts; ½ red pepper; ½ yellow pepper; ½ green pepper; ½ onion, finely chopped; 200ml low-salt vegetable stock; 60ml passata; 2tbsp tomato puree; 1 garlic clove, crushed; 1tsp sweet smoked paprika; ½tsp ground cinnamon; 1tsp Worcestershire sauce; 1tbsp mango chutney; 100g sugar snap peas or mangetout; 3tbsp semi-skimmed milk