Wash the prawn and remove the shell. Marinate in salt and turmeric
powder. Pound the garlic, onion and ginger. Place this mixture and
cooking oil in the wok or pan. Saute it over medium heat Then add the
tomato, and chilli powder* Cook with stirring constantly until
fragrant Finally put the prawn and fish sauce. Stir gently and cook
until the gravy begins to have an oily sheen* Sprinkle with coriander.
Remove from heat.