Chicken Noodle Soup Casserole
This chicken noodle soup casserole turns classic comfort-food flavors into a creamy, hearty baked dinner with tender noodles, chicken, vegetables, cheddar sauce, and a crisp buttery cracker topping.
When you want the cozy flavor of chicken noodle soup but need something a little more substantial for dinner, this casserole is an excellent choice. Everything comes together in one creamy, cheesy filling before a quick trip to the oven.
The homemade sauce is what makes the dish especially satisfying. Butter, onion, celery, garlic, chicken broth, and whole milk create a smooth base that coats the egg noodles without making them dry, while sharp cheddar adds plenty of savory flavor.
A topping of buttery cracker crumbs and Parmesan gives the casserole some much-needed contrast. You get creamy noodles and tender chicken underneath with a crisp, golden layer on top, making this a practical family dinner for busy evenings or a comforting meal when you have leftover cooked chicken to use.
What You Need to Make This Chicken Noodle Soup Casserole
Wide egg noodles: Their broad, tender shape holds onto the creamy sauce well and gives the casserole its classic chicken-and-noodles texture.
Cooked chicken: Shredded or diced chicken both work. This is especially convenient when you already have cooked chicken ready to use.
Mixed vegetables: Add color, texture, and familiar chicken soup flavor without requiring several different vegetables to be prepared separately.
Onion and celery: These aromatics form the savory foundation of the sauce and help give the casserole its traditional soup-inspired flavor.
Fresh garlic: Briefly cooking the garlic with the softened vegetables adds another layer of savory flavor.
Unsalted butter: Used for sautéing the vegetables and building the creamy sauce, with additional melted butter helping the cracker topping brown.
All-purpose flour: Combines with the butter to thicken the broth and milk into a creamy sauce that clings to the noodles.
Chicken broth: Provides the savory base for the sauce and reinforces the comforting chicken flavor throughout the casserole.
Whole milk: Gives the sauce a smooth, creamy consistency without making it excessively heavy.
Sharp cheddar cheese: Melts into the sauce for richness and is also scattered over the top before baking.
Buttery crackers: Crushed crackers create the crisp topping that contrasts with the creamy noodle filling.
Parmesan cheese: Mixed into the crumbs for extra savory flavor and a more deeply golden finish.
Salt and black pepper: A small amount of seasoning rounds out the sauce without overpowering the chicken, cheese, and vegetables.
Cooking Steps
STEP 1: Heat your oven to 400°F (200°C) and lightly grease a 9 × 13-inch baking dish. Meanwhile, boil the wide egg noodles in a large pot of water until they are just al dente. Drain them well so excess cooking water does not thin the casserole sauce.
STEP 2: Melt the butter for the casserole in a large skillet over medium heat. Add the chopped onion and diced celery and cook until they soften. Stir in the minced garlic and cook for about another minute, stopping once it becomes fragrant.
STEP 3: Sprinkle the flour evenly over the buttery vegetables. Whisk or stir continuously so the flour absorbs the butter without forming dry pockets. Let this mixture cook for 1–2 minutes, which gives the finished sauce a smoother flavor and consistency.
STEP 4: Gradually pour in the chicken broth while stirring constantly. Adding it slowly helps prevent lumps. Once the mixture starts to thicken, stir in the whole milk, salt, and freshly ground black pepper. Continue cooking just until you have a smooth, creamy sauce.
STEP 5: Stir the mixed vegetables and cooked chicken into the sauce. Take the skillet off the heat and add most of the shredded sharp cheddar, reserving some for the top. Stir until the cheese melts into the warm sauce.
STEP 6: Add the drained egg noodles to the prepared baking dish and combine them with the creamy chicken mixture. Toss gently until the noodles are evenly coated and the chicken and vegetables are distributed throughout. Scatter the reserved cheddar across the top.
STEP 7: Mix the crushed buttery crackers with the finely grated Parmesan. Sprinkle the crumbs evenly over the casserole, then drizzle the melted butter across the surface. Bake for 15–20 minutes, until the filling is hot and the topping is crisp and golden. Let the casserole rest briefly before serving.
Keeping Leftovers Fresh
Allow leftover casserole to cool before transferring it to an airtight container or covering the baking dish tightly. Refrigerate it for up to 3–4 days. Because egg noodles continue absorbing sauce as they sit, the casserole may become slightly thicker after chilling.
For reheating individual servings, the microwave is the quickest option. Adding a small splash of milk or chicken broth before reheating can help loosen the sauce if the noodles have absorbed some of the moisture.
For a larger portion, cover the casserole and warm it in a 350°F oven until heated through. Removing the cover during the last few minutes can help the cracker topping become crisp again.
You can also freeze the casserole for about 2–3 months in a tightly sealed freezer-safe container. For the nicest topping texture, freezing it before adding the cracker mixture is preferable when you are intentionally preparing the casserole ahead.
Can I assemble this casserole ahead of time?
Yes. Prepare the noodle and chicken filling, spread it in the baking dish, cover, and refrigerate until you are ready to bake. For the crispiest finish, keep the buttery cracker and Parmesan topping separate and add it shortly before the casserole goes into the oven.
Should I cook the egg noodles before baking?
Yes. The noodles should be boiled until al dente before they are added to the casserole. The short 15–20 minute baking time is intended to heat the assembled dish and brown the topping rather than cook dry pasta from scratch.
Cooking the noodles just until al dente also helps prevent them from becoming overly soft while the casserole bakes.
Can I use leftover chicken?
Absolutely. Leftover roasted, baked, or simply cooked chicken is ideal because the recipe calls for chicken that is already cooked. Shred it for a softer texture throughout the noodles or dice it if you prefer more distinct pieces in each serving.
How do I keep chicken noodle casserole from drying out?
Avoid overcooking the egg noodles before assembly and make sure they are thoroughly coated with the creamy sauce. It is also important not to leave the casserole in the oven much longer than the recommended baking time because the noodles will continue absorbing liquid as they heat.
Perfect Pairings
This casserole already contains chicken, noodles, and vegetables, so simple sides work especially well.
- Green salad: A crisp salad with a tangy dressing provides a fresh contrast to the creamy cheddar sauce.
- Roasted vegetables: Broccoli, green beans, or Brussels sprouts make an easy vegetable side without adding another heavy element.
- Steamed green beans: Their mild flavor and crisp-tender texture pair naturally with the chicken and creamy noodles.
Helpful Tips
- Keep the noodles slightly firm. Cooking them only to al dente gives them room to soften during baking without becoming mushy.
- Add the broth gradually. Slowly whisking it into the flour and butter mixture is the simplest way to create a smooth sauce without lumps.
- Wait to add the cracker topping when making it ahead. Keeping the crumbs separate until baking prevents them from absorbing moisture from the casserole and becoming soft.
Chicken noodle casserole is especially useful when you want the familiar flavors of homemade chicken soup in a meal that feels more substantial and can be portioned easily for the whole table. The creamy sauce keeps the chicken and egg noodles comforting, while vegetables provide familiar soup flavor and the cheddar adds a rich finish.
The buttery Parmesan cracker topping may be a small part of the dish, but it makes a noticeable difference. Its crisp texture balances the soft noodles and creamy filling, giving each serving a little crunch rather than leaving the entire casserole uniformly soft.
With only 15–20 minutes of baking once everything is assembled, this is also a practical way to turn cooked chicken into a completely different dinner. Serve it warm from the oven after a short rest, and you have a cozy casserole that brings together chicken, vegetables, creamy noodles, melted cheese, and a golden topping in every scoop.
Chicken Noodle Soup Casserole
Ingredients
For the Casserole:
- 2 cups sharp cheddar cheese freshly shredded
- 1/2 cup celery cut into small dice
- 2 cups cooked chicken either shredded or diced
- 1/4 teaspoon freshly ground black pepper
- 12 ounces wide egg noodles
- 3 tablespoons fresh garlic finely minced
- 2 cups whole milk
- 1 cup onion chopped
- 1/4 cup all-purpose flour
- 2 cups chicken broth
- 1 stick unsalted butter
- 2 cups mixed vegetables
- 1/4 teaspoon salt
For the Topping:
- 1/4 cup finely grated Parmesan cheese
- 1/2 stick unsalted butter melted
- 1 cup Ritz crackers crushed into crumbs
Instructions
- Preheat the oven to 400°F (200°C). Bring a large pot of water to a rolling boil, add the wide egg noodles, and cook them until al dente. Drain thoroughly and place the noodles aside.
- Melt 1 stick of unsalted butter in a large skillet set over medium heat. Add the chopped onion and diced celery, then sauté until both vegetables become tender.
- Add the minced garlic to the skillet and continue cooking for approximately 1 minute, just until fragrant.
- Sprinkle the flour over the cooked vegetables and whisk until fully incorporated. Cook the mixture for 1–2 minutes to remove the raw taste of the flour.
- Slowly add the chicken broth while stirring continuously. Continue mixing until the sauce begins to thicken.
- Pour in the whole milk and stir until evenly blended. Season the sauce with the salt and black pepper.
- Fold the mixed vegetables and cooked chicken into the sauce. Remove the skillet from the heat, then stir in the shredded sharp cheddar, setting aside a portion of the cheese for the casserole topping.
- Lightly grease a 9 × 13-inch baking dish. Add the cooked egg noodles and chicken mixture, stirring them together until the noodles are evenly coated and the ingredients are well distributed.
- Scatter the reserved cheddar cheese evenly across the surface of the casserole.
- Combine the crushed Ritz crackers with the grated Parmesan cheese. Distribute the cracker mixture evenly over the casserole, then drizzle the melted 1/2 stick of butter across the topping.
- Bake in the preheated oven for 15–20 minutes, or until the topping develops a crisp, golden-brown color.
- Remove the casserole from the oven and allow it to cool briefly before serving.