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Easy
Published 1978
For bubble and squeak or hot boiled beef
Wow-wow, being an exclamation of surprise and admiration, is presumably what the eighteenth-century guests of Dr Kit chiner, who invented this sauce, were heard to say when they first tried it.
Melt the butter in a small pan and make a white roux by stirring in the flour and letting it cook a little. Gradually add the beef stock, stirring after each addition, to make a smooth sauce. Season with the wine vinegar, Worcester sauce and mustard and cook gently, covered, for 20 minutes. Taste for seasoning, stir in the chopped parsley, cut the pickled cucumbers into small dice and stir thes
