Chivry Butter This page first published: Jan 25, 2006 · Updated: Jun 23, 2018 · by CooksInfo. Copyright © 2021 · This post may contain affiliate links · This blog generates income via ads · Chivry butter is butter that is mixed with blanched shallots, burnet, chervil, chives, parsley and tarragon, then pressed through a sieve. It is used as a garnish for cold hors d’oeuvres, and as a flavouring for white sauces.