French Onion Chicken Soup
If you’re looking for a comforting dish that warms your heart and fills your belly, then this French Onion Chicken Soup is just the ticket! This recipe brings together the rich flavors of caramelized onions and tender chicken, creating a cozy meal that’s perfect for chilly evenings. Whether it’s a busy weeknight or a family gathering, this soup is sure to be a hit!
What makes this French Onion Chicken Soup special is its balance of flavors and textures. The sweet onions mingle beautifully with the savory chicken and herbs, while the cheesy topping adds an indulgent finish. Trust me, once you try it, you’ll want to make it again and again!
Why You’ll Love This Recipe
- Easy to Make: With simple steps and straightforward ingredients, you’ll whip this up in no time.
- Family-Friendly: Kids love the cheesy goodness, making it a great choice for dinner.
- Make-Ahead Option: This soup keeps well in the fridge or freezer, so you can prepare it in advance.
- Flavorful Comfort: The combination of caramelized onions and succulent chicken will warm you from the inside out.
- Versatile Dish: Enjoy it as a main course or serve it alongside your favorite salad!

Ingredients You’ll Need
Gathering these simple, wholesome ingredients will set you on the path to creating your new favorite soup! Here’s what you’ll need:
- 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
- 2 pounds boneless, skinless chicken breasts or thighs
- 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 recipe is its flexibility! You can easily tailor it to your taste or what you have on hand. Here are some fun ideas:
- Swap the protein: Use turkey or even tofu for a different spin on this classic dish.
- Add more veggies: Toss in some mushrooms or spinach for added nutrition and flavor.
- Change up the herbs: Experiment with fresh rosemary or parsley for something new.
- Make it gluten-free: Substitute all-purpose flour with a gluten-free blend to accommodate dietary needs.
How to Make French Onion Chicken Soup
Step 1: Sauté the Onions
Start by slicing your onions thinly. In a large pot, melt half of the butter over medium heat. Add the onions and let them cook slowly. This step is crucial because sautéing them until they are golden brown brings out their natural sweetness. Stir occasionally so they don’t burn; we want them soft and caramelized!
Step 2: Add Vegetables and Seasoning
Once your onions are beautifully caramelized, stir in the carrots, celery, garlic, thyme, bay leaves, salt, and pepper. Cook for another few minutes until everything is fragrant. This mix adds depth to our soup and enhances those cozy flavors.
Step 3: Cook the Chicken
Next, add your chicken pieces to the pot. Pour in both grape juice and apple juice; they will deglaze any flavorful bits stuck at the bottom. Then sprinkle in flour while stirring continuously to avoid lumps—this will thicken our soup beautifully!
Step 4: Simmer with Broth
Pour in that lovely low-sodium chicken broth and bring everything to a gentle boil. Reduce heat to low and let it simmer for about an hour. This allows all those delicious flavors to meld together—trust me; patience pays off here!
Step 5: Prepare Toppings
While your soup simmers away, slice your baguette into thick pieces. Toast them lightly if you like a bit of crunch!
Step 6: Serve It Up!
Once done simmering, taste for seasoning adjustments. Ladle soup into bowls over toasted baguette slices and top with shredded Gruyère cheese. For an extra touch, pop them under a broiler until bubbly! Enjoy every warm spoonful of this delightful French Onion Chicken Soup with loved ones around your table!
Pro Tips for Making French Onion Chicken Soup
Making the perfect French Onion Chicken Soup is all about the little details, so here are some expert tips to elevate your dish!
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Use Sweet Onions: Opting for sweet yellow onions will enhance the soup’s natural sweetness without overwhelming it with bitterness. This creates a beautifully balanced flavor profile.
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Don’t Rush the Caramelization: Take your time when caramelizing the onions. A slow cook allows their sugars to develop fully, resulting in that rich, deep flavor we all love. Aim for a golden-brown color for maximum deliciousness.
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Add Depth with Thyme and Bay Leaves: These herbs contribute layers of flavor that complement the chicken and onions beautifully. Be sure to remove them before serving, as they can be tough to eat.
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Choose Quality Broth: A low-sodium chicken broth not only serves as a base but also dictates much of the soup’s flavor. Look for brands with clean ingredients for the best results.
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Toast Your Baguette: Before adding it to the soup, toasting your baguette enhances its texture and prevents it from becoming mushy too quickly, providing a delightful crunch every time you take a bite.
How to Serve French Onion Chicken Soup
Serving your French Onion Chicken Soup in style can make all the difference! Here are some ideas to present this cozy meal beautifully.
Garnishes
- Fresh Chopped Parsley: A sprinkle of fresh parsley adds a pop of color and freshness that brightens up each bowl.
- Shaved Gruyère: Instead of just melting cheese on top, consider shaving it for an elegant finish that melts into every spoonful.
- Cracked Black Pepper: A few cracks of black pepper on top add a touch of spice while enhancing the overall presentation of the dish.
Side Dishes
- Mixed Green Salad: A simple salad dressed in a light vinaigrette provides a refreshing contrast to the richness of the soup. Try adding cherry tomatoes and cucumber slices for extra crunch.
- Garlic Bread: The buttery, garlicky goodness of garlic bread makes for an irresistible accompaniment. It’s perfect for soaking up every last drop of that flavorful broth.
- Roasted Vegetables: Seasonal roasted veggies like Brussels sprouts or carrots add both nutrition and color to your meal. Drizzle them with olive oil and season with salt for a tasty side.
- Quinoa Salad: For something wholesome, serve a quinoa salad mixed with chopped veggies and a zesty dressing. It complements the soup’s flavors while providing fiber and protein.
Enjoy crafting this delightful meal that’s sure to warm hearts and bellies alike!

Make Ahead and Storage
This French Onion Chicken Soup is perfect for meal prep! You can easily store leftovers or even make a big batch to enjoy throughout the week. Here’s how to keep it fresh:
Storing Leftovers
- Allow the soup to cool completely before transferring it to an airtight container.
- Store in the refrigerator for up to 3-4 days.
- Keep the bread and cheese separate if you plan to reheat later, as they can become soggy.
Freezing
- Let the soup cool down to room temperature.
- Portion it into freezer-safe containers or heavy-duty freezer bags, leaving some space for expansion.
- It can be frozen for up to 3 months. Thaw overnight in the fridge before reheating.
Reheating
- For stovetop: Pour the soup into a saucepan and heat over medium heat, stirring occasionally until warmed through.
- For microwave: Place in a microwave-safe bowl, cover loosely, and heat in short bursts (1-2 minutes), stirring between intervals until hot.
- If adding fresh bread and cheese, do so just before serving for the best texture.
FAQs
Here are some common questions about making French Onion Chicken Soup:
Can I use other types of onions for French Onion Chicken Soup?
While yellow onions are traditional for their sweetness, you can also mix in red or white onions for a different flavor profile.
How can I enhance the flavor of my French Onion Chicken Soup?
You can enhance this delicious soup by adding a splash of balsamic vinegar or Worcestershire sauce during cooking. Fresh herbs like parsley or rosemary also elevate its taste.
Is French Onion Chicken Soup freezer-friendly?
Yes! This soup freezes beautifully. Just make sure it cools completely and is stored properly, as outlined above.
What should I serve with French Onion Chicken Soup?
Pair this comforting soup with a simple salad or some crusty bread on the side for a satisfying meal that warms the soul.
Final Thoughts
I hope you find joy in making this cozy French Onion Chicken Soup! It’s truly special with its rich flavors and heartwarming warmth that’s perfect for sharing with loved ones. Don’t hesitate to recreate this delightful dish; I can’t wait for you to experience all its wonderful flavors. Happy cooking!
French Onion Chicken Soup
If you’re in the mood for a comforting meal that warms both body and soul, this French Onion Chicken Soup is your answer. This hearty dish combines the sweet, rich flavors of caramelized onions with tender chicken and aromatic herbs, making it perfect for chilly nights or family gatherings. Topped with melted cheese over toasted baguette slices, each spoonful promises to be a delightful experience. Whether served as a main course or alongside a crisp salad, this soup will quickly become a favorite in your household.
- Prep Time: 15 minutes
- Cook Time: 60 minutes
- Total Time: 1 hour 15 minutes
- Yield: Serves 6
- Category: Main
- Method: Simmering
- Cuisine: French
Ingredients
- 3 pounds yellow onions
- 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
- 2 pounds boneless, skinless chicken breasts or thighs
- 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
Instructions
- Slice the onions thinly. In a large pot, melt half the butter over medium heat, then add the onions. Sauté until golden brown.
- Stir in chopped carrots, celery, garlic, thyme, bay leaves, salt, and pepper. Cook until fragrant.
- Add chicken pieces and deglaze with grape juice and apple juice. Sprinkle flour while stirring to avoid lumps.
- Pour in chicken broth and bring to a boil. Reduce heat to low and simmer for about an hour.
- Toast baguette slices while the soup simmers.
- Serve soup over toasted baguette slices topped with shredded Gruyère cheese.
Nutrition
- Serving Size: 1 bowl (about 300g)
- Calories: 350
- Sugar: 8g
- Sodium: 850mg
- Fat: 15g
- Saturated Fat: 8g
- Unsaturated Fat: 7g
- Trans Fat: 0g
- Carbohydrates: 30g
- Fiber: 4g
- Protein: 25g
- Cholesterol: 70mg