Melt the butter in pan, add celery, onion and green pepper.
Cook over low heat until onion becomes transparent.
Blend in water, tomato soup, parsley, salt and tabasco sauce and reheat.
Peel the prawns and remove dark vein down the back. Place in casserole and add Creole sauce. Mix to distribute prawns evenly. Heat in a moderate oven - 350 deg. - for about 20 minutes.