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2 litres
Easy
Published 2017
Bones from white fish like sole or turbot are best here – avoid oily fish like salmon or mackerel. Be careful not to over-boil or overcook the stock as it will ruin the flavour.
Melt the butter in a thick-bottomed soup pan over a medium heat. Add the white onions, leek, fennel and celery and lightly sweat for five to ten minutes. Don’t let the vegetables take on any colour – if they do, turn the temperature down. Add the fish bones and sweat for a further five minutes, then add the parsley stalks, bay leaves, peppercorns and water. Bring to the boil and then turn down
