This section is from the book "The White Ribbon Cook Book", by Kathryn Armstrong. Also available from Amazon: The White Ribbon Cook Book.
Remnants of turbot, brill, haddock, or salmon, butter, pinch of flour, some milk, pepper, salt, nutmeg, parsley.
From some remnants of boiled turbot, brill, haddock, or salmon, pick out the flesh carefully, and mince it, not too finely; melt a piece of butter in a saucepan, add a small pinch of flour and some hot milk; stir on the fire until the mixture thickens, then put in pepper, salt, and a little grated nutmeg, together with some finely-chop-ped parsley, and, lastly, the minced fish. As soon as the whole is quite hot, turn it out on a dish to get cold, then fashion and finish the croquettes as in the first recipe.
 
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