Ballottines: "small bales, or packages." We could go to the dictionary definition, but let's use a translation of the German Wikipedia page:

For the preparation of eg Hühnerballottins chicken thighs with skin and bones are without incising, with a chicken farce filled, sewn, steamed or braised and served warm with a sauce.

A chicken farce? Stuffing.

As for Curnonsky, he was dubbed "The Prince of Gastronomy" for his tireless writng about the act of putting things in your mouth. He also gave the Michelin man his name: Bibendum.

Perhaps that's Bibendum sputum for a sauce.