French Onion Chicken Soup
If you’re looking for the perfect dish to warm your heart and soul, look no further than this French Onion Chicken Soup. It’s a delightful blend of savory flavors that brings comfort on chilly nights or busy weeknights when you need something hearty and filling. The combination of tender chicken, sweet caramelized onions, and rich broth makes this recipe a favorite in my home. It’s perfect for gathering the family around the table or even for meal prepping to enjoy throughout the week.
What makes this French Onion Chicken Soup truly special is how easy it is to prepare. With simple ingredients and minimal fuss, you can create a dish that feels like a warm hug in a bowl. Whether it’s a cozy dinner or a festive family gathering, this soup shines in every occasion.
Why You’ll Love This Recipe
- Comforting flavors: The combination of caramelized onions and tender chicken creates an irresistible taste that warms you up from the inside out.
- Easy preparation: With just a bit of chopping and simmering, you can whip up this delicious soup without spending all day in the kitchen.
- Family-friendly appeal: Everyone loves a good bowl of soup! This recipe is sure to please both kids and adults alike.
- Make-ahead convenience: This soup keeps well in the fridge or freezer, making it great for meal prep or last-minute dinners.
- Versatile ingredient options: Feel free to customize ingredients based on what you have at home or your personal taste preferences.

Ingredients You’ll Need
To make this cozy French Onion Chicken Soup, you’ll need some simple, wholesome ingredients that pack a big flavor punch. Don’t worry; these are all easily found at your local grocery store!
For the Soup Base
- 3 pounds yellow onions (4 large or 6 medium)
- 6 tablespoons unsalted butter, divided
- 1 teaspoon dried thyme
- 2 dried bay leaves
- 2 1/2 teaspoons kosher salt, divided, plus more as needed
- 1/2 teaspoon freshly ground black pepper
- 3 medium carrots
- 3 medium stalks celery
- 3 cloves garlic
For the Chicken
- 2 pounds boneless, skinless chicken breasts or thighs
For the Broth and Topping
- 3/4 cup dry white grape juice
- 1 tablespoon dry apple juice
- 1/4 cup all-purpose flour
- 6 cups low-sodium chicken broth
- 1/2 baguette
- 2 ounces Gruyère cheese (about heaping 1/2 cup)
Variations
One of the best things about this French Onion Chicken Soup is its flexibility! You can easily tweak it to fit your taste or dietary needs.
- Swap the protein: If you prefer turkey or another poultry option, feel free to make that substitution!
- Add more veggies: Toss in some sliced mushrooms or spinach for extra nutrients and flavor.
- Make it spicy: Add a pinch of red pepper flakes for a little kick!
- Go gluten-free: Substitute all-purpose flour with cornstarch or another gluten-free thickener if needed.
How to Make French Onion Chicken Soup
Step 1: Caramelize the Onions
Start by slicing your onions thinly. In a large pot over medium heat, melt 4 tablespoons of butter. Add the onions along with thyme, bay leaves, salt, and pepper. Sauté them slowly until they turn golden brown and caramelized—this step is crucial because it develops their natural sweetness and rich flavor.
Step 2: Build Flavor with Vegetables
Once your onions are beautifully caramelized (this usually takes about 30-40 minutes), add chopped carrots, celery, and minced garlic. Stir everything together for another few minutes until fragrant. This mix will add depth to your soup!
Step 3: Cook the Chicken
Next, nestle your chicken into the pot. Pour in the dry white grape juice and let it simmer gently for about 20 minutes until the chicken is cooked through. This process allows the chicken to absorb all those wonderful flavors from the broth.
Step 4: Thicken Your Soup
Remove the chicken pieces from the pot and shred them with two forks. In a small bowl, mix together flour with some broth until smooth; then stir this mixture back into the pot along with shredded chicken. This will help thicken your soup while adding richness.
Step 5: Finish with Broth and Serve
Pour in the remaining low-sodium chicken broth while stirring gently. Let everything cook together for an additional 10-15 minutes so that all those flavors meld beautifully! Finally, serve hot in bowls topped with toasted baguette slices and Gruyère cheese melted on top.
Now you’re ready to enjoy a cozy bowl of French Onion Chicken Soup!
Pro Tips for Making French Onion Chicken Soup
Making French Onion Chicken Soup is a delightful experience, and with these tips, you’ll elevate your dish to perfection!
- Slice onions thinly: Thinly sliced onions caramelize much better, allowing their natural sweetness to shine through, which is essential for that rich flavor.
- Use low heat for caramelization: Cooking the onions on low heat may take longer, but it ensures they develop a deep golden color without burning, enhancing the soup’s overall taste.
- Let the soup rest: Allowing the soup to sit for 10-15 minutes after cooking lets the flavors meld together beautifully, resulting in a more harmonious dish.
- Toast the baguette: A quick toast of the baguette adds a lovely crunch that contrasts nicely with the tender chicken and broth, making each bite more satisfying.
- Experiment with cheese: While Gruyère is traditional, feel free to mix in other cheeses like mozzarella or cheddar for a unique twist on flavor.
How to Serve French Onion Chicken Soup
Presenting your French Onion Chicken Soup can make it even more enjoyable! Here are some ideas to enhance your serving experience.
Garnishes
- Chopped fresh herbs: Sprinkling fresh thyme or parsley on top adds a burst of color and freshness that complements the soup’s richness.
- Croutons: Adding crispy croutons not only provides texture but also makes each spoonful a little more exciting.
- Drizzle of olive oil: A light drizzle of high-quality olive oil just before serving gives a beautiful sheen and enhances the overall flavor profile.
Side Dishes
- Mixed greens salad: A simple salad with mixed greens, cherry tomatoes, and a light vinaigrette offers a refreshing contrast to the hearty soup.
- Roasted vegetables: Seasonal roasted vegetables like Brussels sprouts or carrots make for a vibrant side that pairs perfectly with the warm flavors of the soup.
- Garlic bread: Crunchy garlic bread is always a favorite; its buttery garlicky goodness complements every bowl of soup beautifully.
- Quinoa or rice pilaf: A light quinoa or rice pilaf can be an excellent choice for those wanting something more filling alongside their soup while still keeping it healthy.
With these tips and serving suggestions, your French Onion Chicken Soup will be both delicious and visually appealing. Enjoy every comforting spoonful!

Make Ahead and Storage
This French Onion Chicken Soup is perfect for meal prep! You can easily make a big batch and enjoy it throughout the week. Here are some tips for storing, freezing, and reheating your soup.
Storing Leftovers
- Store any leftover soup in an airtight container in the refrigerator.
- It will keep well for up to 4 days.
- If possible, store the baguette and cheese separately to maintain their texture.
Freezing
- Allow the soup to cool completely before transferring it to freezer-safe containers.
- Freeze for up to 3 months for the best flavor.
- Label the containers with the date so you can keep track of freshness.
Reheating
- Thaw frozen soup overnight in the refrigerator before reheating.
- Reheat on the stovetop over medium heat until warmed through, stirring occasionally.
- For a cozy touch, broil topped bowls with cheese until bubbly before serving!
FAQs
Here are some common questions about making French Onion Chicken Soup.
Can I use other types of cheese instead of Gruyère?
Absolutely! While Gruyère adds a lovely nutty flavor, you can substitute with Swiss cheese or mozzarella if that’s what you have on hand. Just remember to melt it nicely on top!
Is this French Onion Chicken Soup easy to make ahead?
Yes! This recipe is fantastic for meal prep. You can make it in advance, store it properly, and enjoy warm bowls throughout the week without losing flavor or quality.
What should I serve with French Onion Chicken Soup?
This hearty soup pairs wonderfully with fresh salads or crusty bread. Feel free to experiment with sides that complement its rich flavors!
Can I make this soup vegetarian?
Yes! You can easily modify this recipe by using vegetable broth instead of chicken broth and omitting the chicken. It will still be deliciously flavorful!
How long does French Onion Chicken Soup last in the fridge?
When stored in an airtight container, this soup will last about 4 days in the refrigerator. Perfect for meal prep or leftovers!
Final Thoughts
I hope you find joy in making this French Onion Chicken Soup! It’s a comforting and satisfying dish that brings warmth to chilly days. Whether you’re sharing it with family or enjoying a quiet moment to yourself, this recipe is sure to become a favorite. Enjoy every spoonful, and don’t hesitate to reach out if you’d like to share your experience!
French Onion Chicken Soup
Indulge in the warmth and comfort of French Onion Chicken Soup, a delightful dish that combines tender chicken with sweet caramelized onions and a rich, savory broth. This heartwarming soup is perfect for chilly nights or busy weeknight dinners when you crave something hearty yet simple. With just a few wholesome ingredients, you can create a meal that brings the family together around the table or serves as a nourishing option for your meal prep throughout the week. Whether you’re hosting a festive gathering or enjoying a cozy night in, this soup is sure to become a beloved favorite.
- Prep Time: 20 minutes
- Cook Time: 60 minutes
- Total Time: 1 hour 20 minutes
- Yield: Serves approximately 6
- Category: Main
- Method: Simmering
- Cuisine: French
Ingredients
- 3 pounds yellow onions
- 6 tablespoons unsalted butter
- 2 pounds boneless, skinless chicken breasts or thighs
- 6 cups low-sodium chicken broth
- 3/4 cup dry white grape juice
- 1/4 cup all-purpose flour
- 1/2 baguette
- 2 ounces Gruyère cheese (about heaping 1/2 cup)
- 3 medium carrots
- 3 medium stalks celery
- 3 cloves garlic
- 1 teaspoon dried thyme
- 2 dried bay leaves
- 2 1/2 teaspoons kosher salt, divided
- 1/2 teaspoon freshly ground black pepper
Instructions
- Slice onions thinly and melt 4 tablespoons of butter in a large pot over medium heat. Add onions, thyme, bay leaves, salt, and pepper. Cook until caramelized (30-40 minutes).
- Stir in chopped carrots, celery, and minced garlic; cook for another few minutes.
- Add chicken to the pot along with grape juice; simmer for about 20 minutes until cooked through.
- Remove chicken, shred it, then mix flour with some broth until smooth and add back to the pot with shredded chicken.
- Pour in remaining broth; cook an additional 10-15 minutes before serving hot with toasted baguette slices and melted Gruyère cheese.
Nutrition
- Serving Size: 1 cup (240g)
- Calories: 320
- Sugar: 7g
- Sodium: 890mg
- Fat: 12g
- Saturated Fat: 7g
- Unsaturated Fat: 4g
- Trans Fat: 0g
- Carbohydrates: 35g
- Fiber: 4g
- Protein: 24g
- Cholesterol: 70mg
