Thermidor sauce

From Cookipedia

It struck me that thermidor sauce, the sauce used in lobster thermidor would be just as good with vegetables or pasta so I have added it as a recipe in its own right.

Thermidor sauce
Servings:Serves 2
Calories per serving:736
Ready in:35 minutes
Prep. time:10 minutes
Cook time:25 minutes
Difficulty:Average difficulty
Recipe author:Chef
First published:17th January 2013

Best recipe review

Even good with vegetables


Doesn't need to be served with lobster. It's great with pasta and vegetables

Paul R Smith


Printable 🖨 shopping 🛒 list & 👩‍🍳 method for this recipe

Mise en place


  1. Melt half of the butter in a pan and gently sauté the onions until translucent.
  2. Add the flour, mix into a roux and then gradually stir in the milk.
  3. Add the parsley and tarragon.
  4. Mix in the sherry and spices, season to taste and adjust to your liking.
  5. Add the remaining butter and half of the cheese.
  6. Mix well, if you are adding cooked pasta or vegetables add them at this point. Spoon the mixture into a lightly greased baking tray.
  7. Sprinkle with the remaining cheese and brown under the grill.


Add lots of Crushed garlic with the onions.

Chef's notes

If you are struggling to get hold of fresh tarragon, at a push you could add 1 heaped teaspoon of dried tarragon to a little boiled water, allow it to rehydrate, drain any liquid and then use, however, fresh is plainly better.

See also

Interesting lobster recipes

Browse Cookipedia's recipes with Pinterest

Almost all of Cookipedia's recipe pictures have now been uploaded to Pinterest which is a very convenient way to browse through them, all in one huge board, or by individual categories. If you're a Pinterest user you'll find this feature useful.

#thermidorsauce #butter #tarragon #parsley #cheese #vegetables #grill #pasta #onions #garlic #blackpepper