Creamy Chicken and Mushroom Casserole

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This creamy chicken and mushroom casserole is made with condensed soup, fresh and frozen vegetables, and leftover chicken.

Prep Time:
20 mins
Cook Time:
1 hr
Total Time:
1 hr 20 mins
1 11x7-inch casserole


  • 8 ounces whole grain rotini pasta

  • 2 tablespoons olive oil

  • 1 small onion, diced

  • 2 ribs celery, diced

  • ½ red bell pepper, diced

  • 1 (10 ounce) package sliced fresh mushrooms

  • 2 tablespoons all-purpose flour

  • 1 cup low-sodium chicken broth

  • 1 (10.5 ounce) can condensed cream of mushroom soup

  • 2 cups cubed, cooked chicken

  • 1 cup frozen peas

  • 2 tablespoons grated Parmesan cheese


  1. Preheat the oven to 325 degrees F (165 degrees C).

  2. Bring a large pot of lightly salted water to a boil; cook rotini at a boil until tender yet firm to the bite, about 8 minutes. Drain pasta and reserve 1/2 cup cooking liquid.

  3. Heat oil in a large Dutch oven over medium heat. Add onion, celery, and bell pepper; sauté until onion is translucent, 5 to 7 minutes. Stir in mushrooms. Sprinkle flour over vegetables and stir until mixture becomes paste-like and light golden brown, 2 to 4 minutes. Add broth; cook and stir until mixture begins to thicken, 2 to 3 minutes. Reduce the heat to low, cover, and cook for 10 minutes. Stir in condensed soup and reserved 1/2 cup cooking liquid, then stir in chicken and peas.

  4. Add pasta to the Dutch oven and stir until well combined. Transfer mixture to an 11x7-inch baking dish and sprinkle Parmesan cheese over top.

  5. Cover and bake in the preheated oven for 20 minutes. Uncover and continue to bake for 5 more minutes.


You can use Romano cheese instead of Parmesan.

Nutrition Facts (per serving)

375 Calories
15g Fat
41g Carbs
22g Protein
Nutrition Facts
Servings Per Recipe 6
Calories 375
% Daily Value *
Total Fat 15g 19%
Saturated Fat 4g 18%
Cholesterol 39mg 13%
Sodium 448mg 19%
Total Carbohydrate 41g 15%
Dietary Fiber 5g 19%
Protein 22g
Vitamin C 20mg 99%
Calcium 65mg 5%
Iron 3mg 18%
Potassium 473mg 10%

* Percent Daily Values are based on a 2,000 calorie diet. Your daily values may be higher or lower depending on your calorie needs.

** Nutrient information is not available for all ingredients. Amount is based on available nutrient data.

(-) Information is not currently available for this nutrient. If you are following a medically restrictive diet, please consult your doctor or registered dietitian before preparing this recipe for personal consumption.

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