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A casserole dish filled with chicken and noodles with peas and carrots
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5 from 1 vote

Chicken Noodle Casserole

Hearty, comforting and homey casserole the whole family will love!
Prep Time30 mins
Cook Time45 mins
Total Time1 hr 15 mins
Course: Main Course
Cuisine: American
Keyword: casserole, chicken, chicken noodle, dinner
Servings: 12
Calories: 480kcal
Author: Tricia


  • 12 ounces egg noodles, extra-wide
  • salt and pepper
  • 1 tablespoon olive oil
  • 8 tablespoons unsalted butter, divided
  • 10 ounces mushrooms, cleaned and sliced
  • 2 carrots, chopped
  • 1 onion, chopped
  • ¼ cup all-purpose flour
  • 3 cups whole milk
  • 2 cups chicken broth , low-sodium or homemade
  • 6 ounces American cheese, deli style, rough chopped
  • 6 ounces sharp cheddar cheese, shredded
  • ¼ teaspoon garlic powder
  • 1 tablespoon Dijon mustard
  • 4 cups cooked chicken, diced, about 4 medium chicken breasts or 1 rotisserie chicken
  • 1 ½ cups frozen peas
  • 20 Ritz crackers, broken into small pieces


  • Preheat oven to 400°F. Lightly grease a 13x9-inch baking pan with vegetable cooking spray. Set aside.
  • Bring 4 quarts water to a boil in a large pot. Add egg noodles and 1 teaspoon salt. Cook, stirring frequently, until almost al dente, about 2 minutes below the recommended cooking time. Drain and rinse with cold water. Pour the noodles back into the pot and add 1 tablespoon butter. Toss to coat. Set aside.
  • While the noodles are cooking, warm a large skillet over medium-high heat. Add olive oil and 1 tablespoon butter. Once melted add the sliced mushrooms and cook, undisturbed, until the mushrooms are very dark on one side. Stir and turn the mushrooms and continue cooking until the moisture is released then evaporated, and the mushrooms are well browned. Transfer the mushrooms to the pot with the noodles.
  • Melt another tablespoon of butter in the now empty skillet. Add the carrots and onions and cook, stirring occasionally, until softened, about 5 minutes. Transfer all the vegetables to the pot with the noodles.
  • In the empty skillet melt 3 tablespoons butter. Add the flour and cook, whisking constantly for about 1 minute. Slowly whisk in the milk and broth. Bring to a boil. Reduce the heat to medium-low and simmer until slightly thickened, about 5 minutes. Whisk both cheeses into the sauce until smooth. Add garlic powder, Dijon mustard and 1 teaspoon black pepper and ½ teaspoon salt. Whisk until blended. Pour the sauce over the reserved noodles and vegetables.
  • Add the diced chicken and peas to the noodle mixture and gently fold with a spatula until combined. Pour the chicken and noodles into the prepared baking pan.
  • Melt the remaining 2 tablespoons of butter in the microwave. Sprinkle crushed crackers over the casserole, then drizzle with melted butter.
  • Bake until golden brown and bubbling, about 15 minutes. Tent with foil about halfway through to prevent over-browning. Allow the casserole to cool for 10 minutes before serving.


  • Gently rewarm leftovers in the microwave. Add a splash of milk, chicken broth or water to loosen, if needed.
Nutrition information is calculated using an ingredient database and should be considered an estimate. When multiple ingredient alternatives are given, the first listed is calculated for nutrition. Garnishes and optional ingredients are not included.


Calories: 480kcal | Carbohydrates: 35g | Protein: 27g | Fat: 26g | Saturated Fat: 13g | Polyunsaturated Fat: 3g | Monounsaturated Fat: 8g | Trans Fat: 1g | Cholesterol: 114mg | Sodium: 473mg | Potassium: 502mg | Fiber: 3g | Sugar: 7g | Vitamin A: 2483IU | Vitamin C: 9mg | Calcium: 358mg | Iron: 2mg