Caramel chicken wings

Name: Caramel chicken wings
Ingredients: 100g golden caster sugar; 4 tbsp gluten-free fish sauce; 1 green chilli halved (optional); small piece cinnamon bark; small piece ginger finely chopped; juice 1 large lime plus extra for squeezing over; 1kg chicken wing tips removed and cut in half; small bunch spring onion cut into 1cm lengths; large piece ginger cut into matchsticks; 1 green chilli (seeds removed if you don't like it too hot), cut into rings; handful coriander sprigs; boiled white rice to serve