Soups & Stews
Au Bon Pain's chicken noodle soup recipe delivers that nostalgic diner comfort in a steaming bowl—rich, aromatic broth, tender chicken, and perfectly al dente egg noodles that transform a simple meal into a memory.
The secret lies in slow-simmered herbs and a deep, savory broth that coats every spoonful, just like the original. I've recreated this iconic recipe at home, ensuring every element—from the caramelized chicken to the herbaceous broth—comes together effortlessly.
This recipe builds on Au Bon Pain's signature style with a foolproof method that balances simplicity and depth. You'll start with a flavorful base of onions, carrots, and celery (the classic "holy trinity"), then layer in chicken, noodles, and a blend of fresh and dried herbs for that signature aroma.
The key is simmering the broth long enough to develop complexity without overcooking the chicken, resulting in a soup that's both hearty and refined.
What you'll end up with is a bowl of soup that's warmth in every spoonful—golden broth, tender chicken pieces, and egg noodles that hold their shape just enough to soak up all the flavor.
The aroma alone will fill your kitchen with the comforting scent of a classic diner, while the taste delivers that perfect balance of savory, herby, and slightly sweet notes. This is the kind of soup that feels like a hug on a chilly day.
Perfect for weeknight dinners, meal prep, or serving a crowd, this recipe scales beautifully while keeping the essential elements intact. The instructions are designed to guide you through each step with precision, ensuring you achieve that restaurant-quality result at home.
Let's get started on creating your own bowl of diner-style comfort.
Ingredients for au bon pain chicken noodle soup
Rich broth, tender chicken, and al dente noodles—just like the diner classic.
| Ingredient | Amount | Notes |
|---|---|---|
| Yellow Onion 🧅 | 1 ½ cups | Diced, medium dice size |
| Carrots 🥕 | 2 cups | Julienned or thinly sliced |
| Celery Stalks 🌿 | 2 cups | Diced, including leaves |
| Chicken Breast 🍗 | 2 lb | Boneless, skinless, cut into bite-sized pieces |
| Egg Noodles 🍜 | 12 oz | Medium or wide egg noodles |
| Chicken Broth 💧 | 6 cups | Low-sodium preferred |
| Fresh Parsley 🌿 | ¼ cup | Chopped, stems removed |
| Fresh Thyme 🌿 | 2 sprigs | Or 1 tbsp dried thyme |
| Fresh Bay Leaves 🌿 | 2 whole | For deep flavor infusion |
| Garlic Cloves 🧄 | 4 cloves | Minced or finely chopped |
| Butter 🧈 | 2 tbsp | Unsalted, for richness |
| All-Purpose Flour 🌾 | 2 tbsp | For thickening broth |
| Salt 🧂 | 1 ½ tsp | Kosher or sea salt |
| Black Pepper 🌶️ | ½ tsp | Freshly ground |
The holy trinity—onions, carrots, and celery—is your flavor foundation. Fresh is best, but frozen chopped veggies work in a pinch. I grab mine from Trader Joe's when I'm prepping ahead; their pre-diced mix saves time. For the chicken, boneless, skinless breasts cook evenly, but thighs add richness. If you're using thighs, cut them into smaller pieces—they'll stay tender longer. The broth? Low-sodium is key—you'll be adding plenty of salt later, and you don't want to overdo it.
No fresh herbs? Dried works at one-third the amount, but fresh parsley and thyme really elevate this. The bay leaves might seem small, but they're non-negotiable—they give that deep, aromatic backbone. Short on butter? Olive oil works too, though butter adds that classic diner richness. For the flour, all-purpose is fine, but if you're gluten-free, swap for cornstarch. The noodles? Egg noodles are traditional, but whole wheat or gluten-free options work if needed. Just cook them al dente—they'll finish in the soup.
This soup tastes even better the next day, so double the batch if you can. Store leftovers in the fridge for 4-5 days or freeze for 3 months. I like to portion mine into containers for easy lunches. The broth thickens as it cools, so stir and add a splash of water when reheating. And if you're serving a crowd? Use a Dutch oven—it keeps everything warm and makes stirring a breeze.
Why You'll Love This Recipe
- The secret’s in the simmer: let that chicken breast poach until it’s falling off the bone, then shred it right in the pot. The result? Rich, savory broth with tender meat—no dry chicken here, just melt-in-your-mouth goodness.
- No-Chop Shortcuts: I swear by the "mirepoix hack"—just roughly chop the onion, carrots, and celery into ½-inch pieces. No fancy dicing, no crying over onions. The broth builds flavor anyway, so it’s forgiving (and my kids’ fingers are way safer).
- Broth That Sticks: The secret’s in the simmer: let that chicken breast poach until it’s falling off the bone, then shred it right in the pot. The result? Rich, savory broth with tender meat—no dry chicken here, just melt-in-your-mouth goodness.
- Leftover Hero: This soup begs to be made in bulk. The egg noodles hold up for days, and the broth only gets better as the flavors marry. I freeze portions for those "I’m too tired to cook" nights—just reheat and serve.
Step-by-step instructions for Au Bon Pain chicken noodle soup
This classic diner-style soup delivers comfort in every spoonful—creamy broth, tender chicken, and perfectly al dente noodles.
Sauté the Vegetable Base
Melt the 2 tablespoons butter in a large pot over medium heat. Add the 1.5 cups diced yellow onion, 2 cups julienned carrots, and 2 cups diced celery stalks, including the leaves. Cook for 8-10 minutes, stirring occasionally, until the vegetables soften and the onion turns translucent.
Here's the thing—don't rush this step. The vegetables should release their natural sweetness and develop a golden hue. If they start to stick, add a splash of the 6 cups chicken broth to deglaze the pan. This creates a flavorful foundation for the entire soup.
Build Flavor with Aromatics and Chicken
Add the 4 cloves minced garlic, 2 sprigs fresh thyme, 2 whole fresh bay leaves, 1.5 teaspoons salt, and 0.5 teaspoon black pepper to the pot. Stir for 1 minute until fragrant. Then, add the 2 pounds bite-sized chicken breast pieces and cook for 5-6 minutes, stirring occasionally, until the chicken turns opaque.
I like to press down gently on the chicken pieces during the first minute—this prevents them from curling and ensures even contact with the pan. If the chicken starts to brown too quickly, reduce the heat slightly to medium-low to avoid overcooking.
Thicken the Broth
Sprinkle the 2 tablespoons all-purpose flour over the chicken and vegetables. Stir well to coat everything evenly, letting it sit for 1 minute to absorb any moisture. Then, slowly pour in the 6 cups chicken broth, stirring constantly to prevent lumps. Bring the mixture to a gentle boil over medium-high heat. Once boiling, reduce the heat to low and let it simmer for 15-20 minutes, stirring occasionally.
This simmering time is crucial—it allows the flour to fully thicken the broth into a velvety consistency. You'll know it's ready when the soup coats the back of a spoon smoothly. If it thickens too much, add a splash of water or extra broth to reach your desired texture.
Cook the Noodles and Finish
Add the 12 ounces egg noodles to the pot and stir gently to distribute them evenly. Cook for 8-10 minutes, stirring occasionally, until the noodles are al dente—they should have a slight bite but still be tender. The noodles will continue cooking slightly as they absorb the hot broth.
Here's where it gets fun—taste the broth before adding the parsley. Adjust the seasoning if needed, adding more salt or pepper as necessary. Once the noodles are done, stir in the 0.25 cup chopped fresh parsley and remove the 2 sprigs thyme and 2 bay leaves. Let the soup sit off the heat for 5 minutes to allow the flavors to meld.
Serve Warm and Enjoy
Ladle the soup into bowls, making sure each serving gets its fair share of chicken, vegetables, and noodles. Garnish with an extra sprinkle of fresh parsley and a crack of black pepper for a pop of color and flavor. Serve immediately while warm—this soup tastes best fresh out of the pot.
Real talk: the secret to this soup is patience. Letting it simmer and the flavors meld is what transforms it from good to extraordinary. Each spoonful should deliver a perfect balance of creamy broth, tender chicken, and hearty vegetables—just like you'd find in a classic diner.
Pro Tips For Making Au Bon Pain Chicken Noodle Soup
- Sear the Chicken First: Don’t just poach the chicken breast—cut it into 1-inch chunks, pat them bone-dry, and sear them in a hot pan with a little oil for 2-3 minutes per side until golden. The Maillard reaction adds depth that simmering alone can’t replicate. (Yes, even if you’re tempted to skip it.)
- Dice Veggies Uniformly: Chop the onion, carrots, and celery into exactly ¼-inch pieces—no larger, no smaller. The Au Bon Pain version relies on even cooking, and oversized chunks turn to mush while small pieces burn. A mandoline helps, but a sharp knife works too if you’re patient.
- Simmer, Don’t Boil: Once everything’s in the pot, keep the heat at a gentle simmer—tiny bubbles at the edges, not a rolling boil. Boiling toughens the chicken and turns the broth cloudy. I learned this the hard way after serving soup with rubbery meat and a sad, murky liquid.
- Reserve That Broth: Strain the soup before adding the noodles, then skim off the fat from the broth and return it to the pot. The fat makes the noodles greasy, and the strained broth tastes cleaner. Save the veggie scraps for stock—this isn’t your last batch, after all.
Flavor customization for this au bon pain chicken noodle soup
Herb Variations
Swap out the fresh thyme and bay leaves for other aromatic herbs to create unique twists. Try adding 1 sprig rosemary for a piney depth, or ½ teaspoon dried oregano for a Mediterranean touch.
For a bright, citrusy note, add 1 tablespoon lemon zest along with the parsley at the end. I love a lemon-thyme variation—it cuts through the richness beautifully. 🌿
Spice Level Boost
For a kick, add ½ teaspoon red pepper flakes when sautéing the vegetables, or stir in 1 teaspoon hot sauce (like Cholula) at the end. If you prefer warmth over heat, a pinch of ground cinnamon or nutmeg adds cozy spice.
Just be mindful—these spices can overpower the delicate broth, so start small and adjust to taste.
Vegetable Swaps
Customize the veggie base with seasonal produce. Swap carrots for sweet potatoes (diced and roasted first for depth) or add ½ cup corn kernels for a summery twist. For a heartier soup, include ½ cup diced potatoes—they’ll absorb the broth and add creaminess.
I often add 1 cup chopped kale in the last 5 minutes of cooking for a nutrient boost.
Protein Alternatives
Make this soup vegetarian by replacing chicken with 12 oz firm tofu (pressed and cubed) or 1 cup chickpeas. For a seafood twist, use 12 oz shrimp instead of chicken—just add them in the last 2 minutes of cooking.
If you’re using tofu or chickpeas, simmer them with the vegetables in Step 2 to absorb the flavors. 🍤
Dairy-Free Creaminess
Skip the butter or use olive oil, but for extra richness, stir in ½ cup coconut milk at the end for a velvety texture. Another trick? Blend ½ cup of the broth with 2 tablespoons nutritional yeast for a cheesy, umami depth.
This works especially well if you’re avoiding dairy but still want that comforting mouthfeel.
Garnish Ideas
Elevate your bowl with creative garnishes. A drizzle of hot honey adds sweetness and heat, while crumbled feta or shaved Parmesan brings saltiness. For crunch, top with toasted breadcrumbs or crispy fried shallots.
I love a mix of parsley, black pepper, and a swirl of crème fraîche**—it feels restaurant-worthy without extra effort.
Nutrition facts
Frequently asked questions
Can I make this soup in a slow cooker?
For a slow cooker version, combine all ingredients except noodles in your slow cooker and cook on low for 6-7 hours or high for 3-4 hours. Stir in the noodles during the last 30 minutes of cooking. The low-and-slow method deepens the flavors even more—perfect for busy days. Just be sure to leave room for the broth to expand.
How do I prevent the noodles from getting mushy?
Cook the noodles separately in boiling water for 1-2 minutes less than package instructions, then add them to the soup where they'll finish cooking in the hot broth. This keeps them al dente while absorbing all the flavor. For extra insurance, use whole wheat or brown rice noodles—they hold up better to longer simmering.
What's the best way to reheat leftovers?
Reheat gently on the stove over medium-low heat, stirring occasionally, until warmed through (5-7 minutes). Add a splash of water or broth if the soup seems too thick. Microwaving works too—just stir well and cover with a damp paper towel to prevent drying out. The soup actually tastes better the next day as flavors meld!
Can I make this gluten-free?
Yes! Swap the egg noodles for gluten-free pasta (like brown rice or quinoa noodles) and use cornstarch instead of flour to thicken the broth. The flavor profile remains rich and comforting. For extra depth, add 1 teaspoon gluten-free chicken bouillon when sautéing the vegetables.
Why does my soup taste bland?
Most likely, the broth needs more depth. Try adding 1 teaspoon soy sauce or Worcestershire sauce (great for umami), or simmer with an extra bay leaf and sprig of thyme for 10-15 minutes longer. For quick flavor, stir in 1 tablespoon lemon juice or a pinch of MSG (if you have it) at the end. Taste as you go!