Ravigote

ravigote a piquant French sauce; the verb ravigoter means ‘to perk up’. Sauce ravigote is usually met in its cold form, when it is in effect a variation of vinaigrette, achieved by adding capers, fines herbes, and chopped onion.

There is, however, a warm sauce ravigote, based on velouté, with the addition of fines herbes and shallot butter, plus wine and wine vinegar.