Warm up with this hearty Onion Soup Les Halles - Vegetarian recipe. Made with butter, onions, port wine and balsamic vinegar. Easy step-by-step instruct…
This Onion Soup Les Halles - Vegetarian relies on simple, everyday ingredients such as butter, port wine, balsamic vinegar and bouquet garni. It comes together quickly and makes 4 servings, at about 812 kcal each. The step-by-step instructions below are written to be easy to follow, even on a busy day.
It works as a light main on its own or as a starter alongside crusty bread, and it's just as good for a cozy night in as it is for feeding a crowd. Leftovers keep well, so it's a smart choice for meal prep too.
Updated Jun 30, 2026