Marinate prawns with salt and turmeric powder for 5 minutes. Heat oil in a pan and fry the prawns briefly till they change colour. Set aside. Pour away the oil.
In the pan combine all ingredients, at a little water. Turn on the heat. Once boiled, toss in the fried prawn and stir.
Seasoned to taste. Stir in the kaffir lime leaves. Continue cooking until dry. Turn off heat, stir lime juice. The dish is ready to be served.