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Slow Cooker French Onion Soup

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Slow Cooker French Onion Soup is a heartwarming dish that combines the sweet, rich flavors of caramelized onions with savory beef broth and a gooey layer of melted Gruyère cheese. Perfect for chilly evenings or cozy gatherings, this easy recipe requires minimal effort as you let your slow cooker do the work. Serve it with crusty bread for an irresistible meal that will warm you from the inside out, leaving everyone coming back for seconds.

Ingredients

Scale
  • 6 large sweet yellow onions, thinly sliced
  • 4 tablespoons unsalted butter
  • 6 cups beef broth
  • 1 cup dry white wine
  • 1 teaspoon dried thyme
  • 1 bay leaf
  • 1 baguette, sliced and toasted
  • 2 cups Gruyère cheese, shredded

Instructions

  1. Peel and slice the onions thinly.
  2. Melt the butter in a large skillet over medium heat. Add the sliced onions and sauté until soft and caramelized (about 15-20 minutes).
  3. Transfer the caramelized onions to the slow cooker. Add the beef broth, dry white wine, dried thyme, and bay leaf.
  4. Cover and cook on low for 6 hours or high for 3 hours.
  5. Toast baguette slices under the broiler until golden brown.
  6. Serve hot soup in oven-safe bowls topped with toasted baguette slices and sprinkle with Gruyère cheese. Broil until bubbly and golden.

Nutrition

Keywords: - For a vegetarian version, substitute beef broth with vegetable broth. - Experiment by adding herbs like rosemary or additional spices for extra flavor.

Find it online: https://flavorinside.com/irresistible-slow-cooker-french-onion-soup-recipe/