French Onion Chicken Soup

Highlighted under: Classic Comfort Recipe Ideas

A delightful blend of tender chicken, rich broth, and caramelized onions topped with melted cheese.

Emily

Created by

Emily

Last updated on 2025-12-05T19:06:21.130Z

French Onion Chicken Soup is a comforting dish that combines the best elements of classic French onion soup with the heartiness of chicken. This recipe is perfect for chilly evenings and is sure to impress your family and friends.

Why You'll Love This Recipe

  • Rich, savory flavors from caramelized onions and tender chicken
  • Melted cheese creates a comforting, creamy topping
  • A perfect balance of hearty and comforting for any occasion

The Magic of Caramelized Onions

Caramelized onions are the heart of this French Onion Chicken Soup, offering a depth of flavor that elevates the entire dish. The slow cooking process transforms the natural sugars in the onions, creating a rich, sweet, and savory base. This step is crucial, as it allows the onions to develop their complex flavors, which meld beautifully with the chicken and broth.

To achieve perfectly caramelized onions, patience is key. Cook them over medium heat and stir frequently to prevent burning. The golden-brown color and soft texture indicate that they are ready to be incorporated into your soup. The aroma of caramelizing onions will fill your kitchen, promising a delicious meal ahead.

Choosing the Right Chicken

For this recipe, using cooked chicken is a time-saver and adds convenience without compromising flavor. Rotisserie chicken is an excellent choice, as it is already seasoned and tender, making it perfect for this soup. Alternatively, you can use leftover chicken from a previous meal, ensuring nothing goes to waste.

If you prefer to cook your chicken fresh, consider poaching or baking it with simple seasonings. Shredding the chicken into bite-sized pieces allows it to absorb the flavors of the broth and onions, making every spoonful a comforting delight. The combination of tender chicken and savory broth ensures a satisfying experience in every bowl.

The Perfect Cheese Topping

No French onion soup is complete without a generous layer of melted cheese. Gruyère cheese is traditionally used for its nutty flavor and excellent melting properties. When broiled, it creates a beautifully bubbly and golden crust that adds a delightful texture to the soup. Consider mixing in some grated Parmesan for an extra layer of flavor.

For those looking for alternatives, Swiss cheese or even a blend of mozzarella and cheddar can work well. Just remember that the cheese should be shredded to ensure even melting. The combination of rich broth, tender chicken, and molten cheese transforms this soup into a truly indulgent dish that will impress your family and friends.

Ingredients

For the Soup

  • 4 cups chicken broth
  • 2 large onions, thinly sliced
  • 2 cloves garlic, minced
  • 2 cups cooked chicken, shredded
  • 1 tablespoon olive oil
  • 1 tablespoon butter
  • 1 teaspoon thyme
  • 1 bay leaf
  • Salt and pepper to taste

For the Topping

  • 4 slices of French bread
  • 1 cup shredded Gruyère cheese

Combine all ingredients for a deliciously hearty soup.

Instructions

Caramelize the Onions

In a large pot, heat olive oil and butter over medium heat. Add sliced onions and cook, stirring frequently, until they are caramelized, about 15-20 minutes.

Add Garlic and Spices

Stir in minced garlic, thyme, bay leaf, salt, and pepper. Cook for an additional 2 minutes.

Add Chicken and Broth

Pour in the chicken broth and add the shredded chicken. Bring to a simmer and cook for 10 minutes.

Prepare the Bread

While the soup simmers, preheat your oven to 350°F (175°C). Place French bread slices on a baking sheet and toast in the oven until golden brown.

Assemble and Serve

Remove the bay leaf from the soup. Ladle the soup into bowls, place a slice of toasted bread on top, and sprinkle generously with Gruyère cheese. Broil in the oven until the cheese is bubbly and golden brown.

Enjoy your delicious French Onion Chicken Soup!

Storing and Reheating

If you have leftovers, store the soup in an airtight container in the refrigerator for up to three days. The flavors will continue to develop, making it even more delicious the next day. However, it's best to store the cheese topping separately, as it can become soggy when reheated.

To reheat, simply warm the soup on the stovetop over low heat, stirring occasionally. If you wish to enjoy the cheesy topping again, ladle the soup into oven-safe bowls, add the toasted bread and cheese, and broil until bubbly and golden. This quick method will revive the comforting texture and flavors of your original dish.

Serving Suggestions

This French Onion Chicken Soup makes a fantastic main dish, but it can also be served as a hearty starter. Pair it with a simple green salad dressed in a light vinaigrette to balance the richness of the soup. Crusty bread or a side of garlic knots can add an extra touch of comfort to your meal.

For a more festive occasion, consider serving the soup with a glass of white wine, such as a Sauvignon Blanc or a light Chardonnay. The wine's crisp acidity will complement the savory flavors of the soup beautifully, creating a delightful dining experience.

Secondary image

Questions About Recipes

→ Can I make this soup ahead of time?

Yes, you can prepare the soup and store it in the refrigerator for up to 3 days. Reheat before serving.

→ What can I substitute for Gruyère cheese?

You can use Swiss cheese or a blend of mozzarella and parmesan for a different flavor.

→ Is this soup suitable for freezing?

Yes, the soup can be frozen without the bread and cheese. Freeze for up to 3 months.

→ Can I add vegetables to this soup?

Absolutely! Feel free to add mushrooms or carrots for extra flavor and nutrition.

French Onion Chicken Soup

A delightful blend of tender chicken, rich broth, and caramelized onions topped with melted cheese.

Prep Time15 minutes
Cooking Duration30 minutes
Overall Time45 minutes

Created by: Emily

Recipe Type: Classic Comfort Recipe Ideas

Skill Level: Intermediate

Final Quantity: 4 servings

What You'll Need

For the Soup

  1. 4 cups chicken broth
  2. 2 large onions, thinly sliced
  3. 2 cloves garlic, minced
  4. 2 cups cooked chicken, shredded
  5. 1 tablespoon olive oil
  6. 1 tablespoon butter
  7. 1 teaspoon thyme
  8. 1 bay leaf
  9. Salt and pepper to taste

For the Topping

  1. 4 slices of French bread
  2. 1 cup shredded Gruyère cheese

How-To Steps

Step 01

In a large pot, heat olive oil and butter over medium heat. Add sliced onions and cook, stirring frequently, until they are caramelized, about 15-20 minutes.

Step 02

Stir in minced garlic, thyme, bay leaf, salt, and pepper. Cook for an additional 2 minutes.

Step 03

Pour in the chicken broth and add the shredded chicken. Bring to a simmer and cook for 10 minutes.

Step 04

While the soup simmers, preheat your oven to 350°F (175°C). Place French bread slices on a baking sheet and toast in the oven until golden brown.

Step 05

Remove the bay leaf from the soup. Ladle the soup into bowls, place a slice of toasted bread on top, and sprinkle generously with Gruyère cheese. Broil in the oven until the cheese is bubbly and golden brown.

Nutritional Breakdown (Per Serving)

  • Calories: 350 kcal
  • Total Fat: 18g
  • Saturated Fat: 10g
  • Cholesterol: 75mg
  • Sodium: 620mg
  • Total Carbohydrates: 30g
  • Dietary Fiber: 2g
  • Sugars: 4g
  • Protein: 20g