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French Onion Soup Recipe

Classic French Onion Soup with caramelized onions, beef broth, and melted Gruyère cheese.
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Preparation Time: 15 minutes
Cook Time: 1 hour
Total Time: 1 hour 15 minutes
Course: Soup
Cuisine: French
Servings: 4 servings
Calories: 400 kcal

Ingredients 

Main Ingredients

  • 4 large onions thinly sliced
  • 4 cups beef broth
  • ¼ cup butter
  • 2 tablespoons olive oil
  • 1 teaspoon sugar
  • 1 teaspoon salt
  • ¼ cup dry white wine
  • 1 tablespoon flour
  • ½ teaspoon dried thyme
  • 1 bay leaf
  • 8 slices French baguette
  • 1 ½ cups grated Gruyère cheese

Instructions 

  1. Heat butter and olive oil in a large pot over medium heat.
  2. Add onions, sugar, and salt. Cook until onions are golden brown, about 25 minutes.
  3. Stir in flour and cook for another 2 minutes.
  4. Add wine, broth, thyme, and bay leaf. Bring to a boil, then reduce heat and simmer for 30 minutes.
  5. Preheat oven to 350°F (175°C).
  6. Ladle soup into oven-safe bowls, top with baguette slices, and sprinkle with Gruyère cheese.
  7. Bake in preheated oven until cheese is melted and bubbly, about 10 minutes.

Nutritional Value

Calories: 400kcal | Carbohydrates: 45g | Protein: 15g | Fat: 18g | Saturated Fat: 10g | Cholesterol: 45mg | Sodium: 900mg | Potassium: 500mg | Fiber: 4g | Sugar: 10g | Vitamin A: 500IU | Vitamin C: 10mg | Calcium: 300mg | Iron: 2mg

Keywords

Comfort Food
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