For Tamarind Sauce
- Combine all ingredients in a small saucepan, stir until sugar is completely dissolved. Place over medium low heat until boiling, keep stirring. Simmer for further few minutes until the sauce thickens. Set aside.
- Clean the whole prawns, cut at the back from head to tail and devein.
- Grill the prawns for few minutes, or only just cooked.
- Arrange the prawns in a serving plate.
- Pour the tamarind sauce over the prawns.
- Garnish with fried shallot and dried chilli.