What is perigoudine sauce?

"Perigoudine sauce" is not a recognized culinary term. There are a few possibilities:

* A misspelling: It could be a misspelling of a different sauce, perhaps "Périgourdine Sauce". This sauce is a classic French dish, often served with duck or foie gras. It typically consists of a rich, creamy base (often with butter and cream) flavored with black truffles, shallots, and sometimes madeira wine.

* A regional specialty: It's possible that "Perigoudine sauce" is a local or regional recipe, unique to a specific area. This could be a variation on a well-known sauce or a completely original creation.

* A personal recipe: It could be a sauce that someone has created and named "Perigoudine" for personal use.

To clarify, you could try the following:

* Check for a recipe: Look for recipes online or in cookbooks, using the term "Périgourdine Sauce" or variations like "Perigord Sauce."

* Ask for more context: If you heard this term in a specific context, ask for more information about where you heard it and what it was being used to describe.

* Provide more details: Share any additional details you may have, such as the ingredients or the type of dish it was associated with.

Once you provide more information, it might be easier to pinpoint what "Perigoudine sauce" actually is.