Bearnaise sauce is a rich, tangy sauce based on clarified butter and egg yolks, seasoned with shallots, chervil, tarragon, and white wine vinegar. It is a classic French accompaniment for grilled meats, often distinguished by its silky texture and herbaceous aroma. The term refers specifically to this emulsified sauce rather than a general béarnaise-inspired style. Historically associated with haute cuisine and refined dining, it is typically used as a finishing sauce.
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