Warm up with this hearty French Onion Soup recipe. Made with butter, onions, brown stock and flour. Easy step-by-step instructions included.
This French Onion Soup relies on simple, everyday ingredients such as butter, large onions, sliced thin, qt. brown stock (bouillon) and flour. It comes together quickly and makes 4 servings, at about 240 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