French Onion Soup is a classic dish known for its deep, rich flavor and satisfying comfort. This soup combines sweet caramelized onions with a savory broth, topped with a crusty slice of bread and melted cheese. It’s perfect for those chilly days when you crave something warming and hearty.


  • 5 large onions, thinly sliced
  • 4 tablespoons unsalted butter
  • 2 cloves garlic, minced
  • 2 tablespoons all-purpose flour
  • 1 cup dry white wine
  • 6 cups beef broth
  • 1 bay leaf
  • 1 teaspoon fresh thyme leaves (or ½ teaspoon dried thyme)
  • Salt and black pepper to taste
  • 1 baguette, sliced and toasted
  • 1 ½ cups grated Gruyère cheese


  1. In a large pot or Dutch oven, melt the butter over medium heat. Add the sliced onions and cook, stirring frequently, until they are deeply caramelized, about 30-40 minutes. Add garlic and cook for an additional 1-2 minutes.
  2. Sprinkle flour over the onions and stir to coat. Cook for 2 minutes to remove the floury taste.
  3. Add the white wine, scraping any browned bits off the bottom of the pot. Cook until the wine has mostly evaporated.
  4. Add the beef broth, bay leaf, and thyme. Bring the soup to a simmer and cook for about 30 minutes. Season with salt and pepper to taste.
  5. Preheat the oven to broil. Place oven-safe soup bowls on a baking sheet.
  6. Ladle the soup into the bowls. Top each bowl with a slice of toasted baguette and a generous amount of grated Gruyère cheese.
  7. Broil in the oven until the cheese is bubbly and golden brown, about 3-5 minutes. Watch carefully to prevent burning.
  8. Remove from the oven and let sit for a couple of minutes before serving. Be careful, as the bowls will be hot.

Nutrition Facts (per serving)

  • Calories: 350
  • Fat: 18g
  • Carbohydrates: 30g
  • Protein: 15g

Prep and Cooking Time

  • Prep Time: 15 minutes
  • Cooking Time: 1 hour 10 minutes

Rich and Simple French Onion Soup offers a delightful combination of sweet caramelized onions and savory broth, topped with melted cheese and crusty bread. It’s a timeless comfort food that will warm you from the inside out. Enjoy this luxurious soup as a starter or a main course and savor the exquisite flavors of this French classic.

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