Time to allow: 30 minutes Portions : 8 oz fish per person   Ingredients Amount Type of raw ingredient Modern Substitutes 1 Medium flounder   pinch salt   A few drops Vinegar Malt Vinegar Method   1 wash the fish in water 2 put the fish into a fish kettle ( or covered saucepan) 3 add sufficient water to cover and then the salt 4 bring to the boiling point 5 simmer for 10 minutes or until tender according to the thickness of the fish 6 drain well 7 serve with complementary sauce Recipe Comments   1 this traditional recipe for poaching fish remains one of the best ways to retain the flavour and texture in white fish. 2 many sauces are suitable including parsley and white wine soup although care should be taken to ensure that the flavour in the sauce does not overpower the delicate flavour of the fish