Slow-Cooker French Onion Soup

To convert this to a stovetop method, simmer in a covered pot at a low temperature for 1 hour, adding water when necessary.

Serves: 6Hands-on: 15 minutesTotal: 8 hours 15 minutesDifficulty: Easy

Serves: 6


  • 4 large yellow onions, peeled and thinly sliced
  • ¼ cup butter
  • 3 cups beef broth
  • 1 cup dry white wine
  • ¼ cup medium dry sherry
  • 1 tsp. Worcestershire sauce
  • 1 clove garlic, peeled and minced
  • 6 slices French bread
  • ¼ cup grated Romano cheese


  • In a large frying pan, melt the butter on medium heat and sauté the onions until limp. Transfer to a slow cooker. Add the broth, wine, sherry, Worcestershire, and garlic. Cover. Cook on low for 8 hours.
  • Place French bread on a baking sheet. Sprinkle with the cheese. Place under a preheated boiler until lightly toasted. To serve, ladle soup into bowl. Float a slice of toasted French bread on top.