Heat the butter in a large saucepan add the sliced leek and onion. Stir-fry 3-4 minutes, then add the flour and stir well. Stir over a gentle heat and add the fish stock and milk. Add the corn, diced potato, smoked fish and other seafood. Gently simmer until potato is softened and the soup is smooth and thick. Finally add the cream and parsley and season to taste with pepper and a little salt (note that smoked fish tends to be quite salty).
Special Instructions: Ref No. 1120 RFRP 1/11 NZWW 25/6/01 You Shouldn't Have Gone To So Much Trouble, Darling Pearls from Jo Seagar's Kitchen