Slow-cooked sweet & sour chicken

Name: Slow-cooked sweet & sour chicken
Prep time: 20 min
Cook time: 1 h 20 min
Total time: 1 h 40 min
Cuisine: Mexican
Ingredients: 4 skinless and boneless chicken breasts, cut into chunks; ½ tbsp Chinese five-spice powder*; 230g can pineapple chunks in natural juice; 1½ level tbsp cornflour; 1 tbsp tomato purée; 2 tbsp rice wine vinegar; 2 tbsp soy sauce/ tamari; Low-calorie cooking spray; 1 onion, cut into chunks; 2½cm piece fresh root ginger, peeled and grated; 2 medium carrots, peeled and sliced into chunks; 2 peppers (red, orange or yellow), deseeded and cut into bite-size pieces; 250g passata; 1 star anise; 4 baby leeks, cut into short lengths; 225g can bamboo shoots, drained; Boiled dried egg noodles, to serve; *Watch out for spice/seasoning blends that have added ingredients (like sugar, oil or starch). To protect your weight loss, count ½ Syn per level tsp/1½ Syns per level tbsp