• Prep Time: 10 minutes
  • Cooking Time: 5 Hours
  • Serves: 4-6 Servings

Slow Cooker French Onion Soup

  • Recipe Submitted by on

Category: Healthy Recipes, Soups, Onions

 Ingredients List

  • 4 tablespoons butter
  • 6 yellow onions, thinly sliced
  • 1/4 teaspoon sugar
  • 1/2 teaspoon salt
  • 1/2 teaspoon black pepper
  • 6 cups beef broth or vegetable broth
  • 1/2 cup dry white wine
  • 1/2 teaspoon dry thyme
  • salt and pepper, to taste
  • sliced french bread
  • shredded gruyere cheese (if you can't find gruyere, use swiss cheese)


1. Melt the butter in a large skillet, then add the sliced onions.
2. Sautee until tender, about 5 minutes.
3. Stir in the sugar, salt, and black pepper, and continue to sautee for 20 minutes, stirring occasionally.
4. Transfer the onions to the slow cooker.
5. Add broth, white wine, and thyme.
6. Cook on low for 7 to 8 hours, or on high for 4 hours.
7. Check for salt and pepper.
8. Turn the oven-broiler on High.
9. Ladle soup into ovenproof bowls.
10. Top the bowls with a slice of french bread and cheese.
11. Broil in oven until cheese is melted, 3 to 5 minutes.

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