Snail Butter Bourguignon Style 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 · Snail Butter Bourguignon Style is butter blended with finely chopped shallots, chopped parsley, 2 pressed or pounded cloves of garlic, and salt and pepper. It is used to fill the shells of snails being cooked in the bourguignonne style.