25g tamarind pulp
1 tsp sunflower oil
1 tsp palm sugar
2 garlic cloves, finely sliced
1 litre fish stock
2 lemongrass stalks, outer layer discarded and finely sliced
5cm piece galangal, sliced
2 fresh or dried kaffir lime leaves
1 red bird’s eye chilli, sliced
250g raw king prawns, peeled, deveined with tail shells left on
Juice of ½ lime
2 tbsp Thai fish sauce (nam pla)
1 spring onion, sliced
Handful fresh coriander leaves
1. Put the tamarind pulp into a bowl and pour over 125ml hot water. Set aside for 10 minutes. Heat the oil in a large saucepan and add the palm sugar and garlic. Stir-fry for 1 minute.
2. Pour in the stock and bring to the boil. Reduce the heat to a simmer. Strain the tamarind liquid into the pan and add the lemongrass, galangal, lime leaves and chilli. Simmer for 15 minutes.
3. Add the prawns and simmer for 2-3 minutes, until pink and cooked through. Stir in the lime juice, fish sauce, spring onion and coriander. Serve straightaway.
- To freeze: Freeze at the end of step 2 for up to 2 months. Thaw and complete the recipe to serve.