In a large saucepan, stir together coconut milk, fish sauce and palm sugar over low heat until sugar dissolves, then bring to the boil. Add chicken, cover and simmer over low heat for 10 minutes or until cooked. Remove from heat and let chicken cool. Remove chicken and reserve liquid.
Step 2
For the dressing, add chilli sauce, lime juice and kaffir lime to poaching liquid. Stir to combine. Shred chicken and mix in a bowl with salad leaves, water chestnuts, onions, galangal, chilli and herbs. Divide between plates, garnish with peanuts and extra herbs. Drizzle with dressing.