200 g mixed seafood - prawns, scallops, squid
240 g salmon fillet - cut into bite-size pieces (optional)
200 g mixed oyster and shiitake mushrooms - cut larger pieces in half
2 stalks lemongrass - bruised and chopped
2 tsp galangal paste or a 5 cm piece of fresh root - sliced
5 kaffir lime leaves - torn
2 Thai red chillies - seeds removed and sliced (optional: 2 tsp mild chilli powder)
Juice from 2 limes
4 small shallots - peeled
4 tsp vegetable oil
2 L cold water
2 tsp sugar
2 tsp salt
1 tomato - quartered
3-4 tsp stock powder - Thai pork stock powder recommended, or use chicken/vegetable stock powder
60 ml coconut milk
Fish sauce - to taste
Fresh coriander and spring onions - for garnish
Jasmine rice - for serving