Chop 5 or 6 large onions, mix a little verjuice, or vinegar, pepper, salt, and a little butter; serve it up either warm or cold.
see Wikipedia Cookbook
... it had close contacts with the maquis. Francs-Tireurs et Partisans[?] (Français) (FTP or FTPF) – Formed by French communist[?] party and ended up as the military wing ...