Warm up with this hearty Low Fat Slow Cooker French Onion Soup recipe. Made with sweet onions, stout, beef broth and Worcestershire sauce. Easy step-by-…
This Low Fat Slow Cooker French Onion Soup relies on simple, everyday ingredients such as large sweet onions, stout beer, beef broth and worcestershire sauce. It comes together quickly and makes 4 servings, at about 239 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