Mustard Sauce

A perennially popular sauce for corned beef.

15 mins
Prep Time
Mustard Sauce



  1. Beat the egg and sugar together and put into a saucepan.
  2. Whisk in the flour and mustard, then gradually add the water and vinegar.
  3. Cook over a low heat until the sauce thickens, then season with salt and pepper to taste, adding more sugar if you wish. ​

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Fliss Newton

This is the best sauce for corned beef especially when using Cider Vinegar


My favourite for 50 years!!!