Warm up with this hearty Crockpot French Onion Soup recipe. Made with onions, butter, beef stock and water. Easy step-by-step instructions included.
This Crockpot French Onion Soup relies on simple, everyday ingredients such as each onions thinly sliced, butter or margarine, water hot and worcestershire sauce. It comes together quickly and makes 4 servings, at about 262 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