Clean Prawns.Butterfly Prawns flatten in a frying pan. Cook in 1 tablespoon butter, 2 tablespoon Olive Oil & ¼ cup water.Lay in pyrex dish. Sauce.125g Butter. 2 tablespoon crush garlic. ½ teaspoon green chillies ½ teaspoon red fresh chilli. ¼ teaspoon Salt (or to taste).1 tablespoon Lemon juice 3 tablespoon mayo. Heat butter and garlic cook for few minutes add chillies & salt cook for few minutes. Lastly add mayo & lemon juice. Spread over each prawn dot with butter. Grill before serving with chips & rice.