Put water in a pot placed over low fire
and dissolve the rice flour and salt, stirring continuously until a
rice paste is formed. Half fill rice bowl with paste. Steam over high
heat for about 20 minutes. Heat 4 tbsp of corn oil and brown chopped
small onions, dries prawns and dried radish. Add soy sauce, pepper and
sugar to taste. Spoon this mixture over steamed cake and serve with
sweet chili sauce.