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béarnaise sauce

noun bé·ar·naise sauce \ˈbā-är-ˌnāz-, -ər-; ˈber-\

Definition of béarnaise sauce

  1. :  a sauce of egg yolks and butter flavored with shallots, wine, vinegar, and seasonings

Origin and Etymology of béarnaise sauce

French béarnaise, feminine of béarnais of Béarn, France

First Known Use: 1869

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