2 large carrots, peeled and thinly sliced diagonally
small pinch dried red chilli flakes (optional)
2 garlic cloves, finely sliced
25g/1oz fresh root ginger, peeled and cut into fine matchsticks
1 onion, cut into thin wedges
2 peppers, any colour, seeds removed and cut into roughly 2.5cm/1in chunks
432g tin pineapple chunks in pineapple juice
3 tbsp tomato ketchup
freshly cooked rice or noodles, to serve
3 tbsp soft light brown sugar
1 tbsp cornflour
2 tbsp dark soy sauce
1 tbsp sunflower oil
1 tsp white wine vinegar or cider vinegar
3–4 chicken breasts (around 500g/1lb 2oz), skin removed, boneless and cut into 2.5cm/1in chunks or 500g/1lb 2oz chicken thigh fillets (see Tips)