Greek Recipes

Greek and Cypriot recipes

Mustard Sauce Byzantine Recipe

Original Recipe
[Sauce for fish]
Hierophile, 13th century
For fresh fish, one should use, as it has been indicated for the month of June, all those that have delicate flesh, and these may be seasoned with a mustard sauce… [Master Demetrios, Byzantine Cuisine]

Mustard seeds

Mustard seeds


  • 3 Tbsp. Ground mustard seed
  • 2/3 c. white wine vinegar
  • 2 large garlic cloves, minced
  • 3/4 cup olive oil

Preparation Steps:
Whisk all ingredients together; serve over fish.

Demetrios speculates that these ingredients might approximate a Byzantine mustard sauce. This is very thin, a vinaigrette. I made it a bit “thicker” by increasing the mustard from 1 teaspoon to 3 tablespoons. The result is a vinaigrette that remarkably retains an emulsion for a very long time. Must be something in the mustard seed. The extra mustard gives the sauce quite a bit of heat, which tends to grow upon the tongue as the vinegar is washed away.
Demitrios says that the mustard sauce to which Hierophile refers might also be something like a modern Hollandaise sauce.

  • Open says:

    PhilbertFlange / There’s a couple of thigns you’ll have to get from a bottle. Specifically vinegar and booze (if you’re using a bourbon as a part of the sauce), as you can’t really be bothered to make vinegar from scratch, and distilling at home is illegal.You can buy fresh sardines or anchovies for the fishy taste in Worcestershire. You’ll probably be able to find a recipe to make a homemade version on the Internet. As for mustards, you can buy mustard seed and try making your own. For Dijon, you’ll need to find must (unfermented wine) which will also probably come in a bottle (unless you have wine-making equipment at home). If you want, you can just hydrate ground mustard with some vinegar, and add some tumeric to make a standard yellow mustard.The last ingredient that’s commonly used in making sauces is ketchup. You can buy fresh tomatoes, remove the skins, add onion garlic and other spices, some vinegar and some sugar, and cook it down and pure9e it into a home made ketchup. You can then use this as a base.The other ingredients would be brown sugar, garlic and onion (or their powders) and spices. You can get these whole and grind them yourself.Hope that helps!

    May 6, 2014 at 10:25 pm

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