Cuisine Network

International Cuisine

French Onion Soup – Gooey Cheese and Caramelized Onions

1 hour. Cook
Scroll to recipe

French Onion Soup is a timeless classic in the realm of comfort food. Its origins can be traced back to ancient Rome, but the modern version we adore today is undeniably French. This soul-warming dish boasts a rich history, gracing the tables of French homes and restaurants for centuries. The combination of sweet caramelized onions, savory broth, and a generous blanket of gooey melted cheese is pure culinary magic.

Historical Context: The roots of French Onion Soup can be found in France’s culinary traditions, particularly in the 18th century. Onions were readily available and inexpensive, making them a staple in French kitchens. Legend has it that King Louis XV was served a simple onion soup, and he enjoyed it so much that he declared it fit for royalty. The dish gained popularity among the common folk as well, and by the 19th century, it was a beloved staple in French bistros.


1. Caramelizing the Onions:

  • Heat the butter and olive oil in a large soup pot or Dutch oven over medium-low heat.
  • Add the sliced onions and sprinkle them with sugar to help with caramelization.
  • Cook the onions, stirring occasionally, for about 40-45 minutes, or until they turn a deep golden brown and sweet aroma fills the kitchen.
  • Be patient; slow and steady caramelization is key to developing the soup’s rich flavor.

2. Deglazing with White Wine:

  • Add minced garlic to the caramelized onions and sauté for another 1-2 minutes until fragrant.
  • Pour in the white wine, stirring to scrape up any browned bits from the bottom of the pot.
  • Allow the wine to simmer for 5-7 minutes, reducing by half.

3. Simmering the Broth:

  • Pour in the beef broth and add the bay leaves.
  • Season with salt and black pepper to taste.
  • Bring the mixture to a boil, then reduce the heat to low and let it simmer for 20-30 minutes to meld the flavors.

4. Preparing the Cheesy Croutons:

  • While the soup simmers, preheat your oven’s broiler.
  • Arrange the sliced baguette on a baking sheet.
  • Sprinkle a generous amount of grated Gruyère cheese over each slice.
  • Place the baking sheet under the broiler for 2-3 minutes or until the cheese is bubbly and golden.

5. Serving:

  • Remove the bay leaves from the soup.
  • Ladle the hot French Onion Soup into oven-safe soup bowls.
  • Carefully place a cheesy crouton on top of each bowl.
  • Optionally, sprinkle some extra Gruyère cheese on top.
  • Place the bowls under the broiler for 1-2 minutes to melt and brown the cheese.
  • Serve hot, and be cautious as the bowls will be hot to the touch.

Conclusion: French Onion Soup is a testament to the beauty of simplicity in cooking. Its humble ingredients come together to create a dish that is both comforting and deeply satisfying. The art of caramelizing onions to perfection is the secret behind this soup’s exquisite flavor profile. Whether you’re savoring it on a cozy winter evening or sharing it with friends in a bistro, this French classic never fails to delight. So, fire up your stove, slice those onions thinly, and embark on a culinary journey that pays homage to centuries of French gastronomy. Bon appétit!


prep time
20 minutes.
cooking time
1 hour.
total time
1 hour 20 minutes.


  • Large soup pot or Dutch oven

  • Wooden spoon

  • Chef's knife

  • Cutting board

  • Ladle

  • Oven-safe soup bowls

  • Baking sheet


  • 4 large yellow onions, thinly sliced

  • 2 tablespoons unsalted butter

  • 2 tablespoons olive oil

  • 1 teaspoon sugar

  • 2 cloves garlic, minced

  • 1/2 cup dry white wine

  • 8 cups beef broth

  • 2 bay leaves

  • Salt and black pepper to taste

  • 1 French baguette, sliced

  • 2 cups Gruyère cheese, grated


Caramelize onions with butter and oil.
Deglaze with white wine.
Simmer with beef broth and spices.
Top with cheesy croutons and serve.
More Servings
International Cuisine

Taiwanese Meefun

International Cuisine

Chickpea Soup with Mustard Greens and Orzo

International Cuisine

Meefun from Taiwan

0 0 votes
Article Rating
Notify of
Inline Feedbacks
View all comments
Would love your thoughts, please comment.x

Indulge in global gastronomy. Get Lost in a world of flavor.

menu not selected