2 garlic cloves, peeled and crushed
25g/1oz piece fresh root ginger, peeled and finely grated
1 medium onion, cut into 12 wedges
2 peppers, red, green, orange or yellow, deseeded and cut into chunks of about 3cm/1录in
1 x 425g/15oz can pineapple chunks in natural juice
陆 tsp dried chilli flakes
2 tbsp tomato ketchup
1 x 225g/8oz can water chestnuts
freshly ground black pepper
2 tbsp soft light brown sugar
2 tbsp cornflour
2 tbsp dark soy sauce
2 tbsp sunflower oil
2 tbsp white wine vinegar
2 boneless, skinless chicken breasts