Chicken noodle laksa

Name: Chicken noodle laksa
Ingredients: 1 medium chicken, jointed into pieces and skinned; 1 tbsp coriander seed; 3cm piece ginger, sliced; 2 lemongrass stalks, crushed; zest and juice 1 lime; 2 tbsp fish sauce; 1 tbsp low-salt soy sauce; 200ml light coconut milk; 3 garlic clove, sliced; 3 red chilli, deseeded and sliced; handful coriander, chopped (leaves and stalks kept separate); bunch spring onions, sliced; 300g cooked rice noodle; handful mint leaves, chopped; 1 tbsp sesame oil (optional)