1 Little Gem lettuce, leaves separated
2 tbsp chopped fresh Thai basil
6 cherry tomatoes, roughly chopped
1 red chilli, thinly sliced
1 tbsp chopped fresh coriander stalks
1cm/陆in fresh root ginger, peeled and finely chopped
2 lemongrass sticks, roughly chopped
1 lime, juice only
1 shallot, sliced into thin rings
500ml/18fl oz chicken stock
2 tsp tamarind paste
chilli oil, for drizzling
2 tbsp Thai fish sauce
pinch sea salt
pinch white pepper
2 crab shells
250g/9oz fresh white crab meat
6 small鈥搈edium squid, cleaned, bodies left whole and tentacles roughly chopped
4 lime leaves
palm sugar, to taste