How many servings does this recipe make?

This recipe makes 4 servings. You can adjust the portion size directly on this page.

What ingredients do I need for Chicken Spaghetti Casserole?

You need 12 ingredients. The key ingredients include: 1/2 c. mushrooms, 1/4 c. powdered Parmesan cheese, 1 chicken, 4 c. boiling water, and more.

Is Chicken Spaghetti Casserole suitable as pasta & noodles?

Yes, Chicken Spaghetti Casserole falls under the Pasta & Noodles category and is a great choice for this type of meal.

How do I store leftover Chicken Spaghetti Casserole?

Store leftovers in an airtight container in the refrigerator for up to 3–4 days. Reheat gently before serving.

Chicken Spaghetti Casserole Recipe

Name: Chicken Spaghetti Casserole
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Yield: 4 servings
Ingredients: 1/2 c. mushrooms; 1/4 c. powdered Parmesan cheese; 1 chicken; 4 c. boiling water; 1/2 bay leaf; 1/2 tsp. salt; 1 pkg. dry chicken noodle soup; 1/2 c. celery, diced; 1 onion, diced; 1/2 stick butter or margarine; 3 Tbsp. flour; 1/2 lb. spaghetti, broken into small pieces

Try this homemade Chicken Spaghetti Casserole recipe the whole family will love. Made with mushrooms, Parmesan cheese, chicken and boiling water. Easy s…

This Chicken Spaghetti Casserole relies on simple, everyday ingredients such as mushrooms, powdered parmesan cheese, chicken and boiling water. It comes together quickly and makes 4 servings, at about 2474 kcal each. The step-by-step instructions below are written to be easy to follow, even on a busy day.

It's versatile enough for an easy weeknight dinner yet satisfying enough for guests at the weekend. Serve it with your favorite sides, and keep any leftovers for a quick meal the next day.

Updated Jun 30, 2026

Serves 4 Pasta & Noodles

2474

kcal

Calories

Tips for the best results

Read through all the steps once before you start and measure out your ingredients first — it makes everything go more smoothly.
Taste as you go and adjust the seasoning before serving.
Avoid overcrowding the pan — cook in batches if needed for the best texture.
Let the dish rest for a few minutes before serving so the flavors settle.
Store leftovers in an airtight container in the fridge and enjoy within a few days.

Variations & substitutions

Use a neutral oil or a plant-based spread in place of butter for a dairy-free version.
A good 1:1 gluten-free flour blend works well if you need a gluten-free version.

No specific allergen information. Please check the ingredient list for possible allergens.

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Chicken Spaghetti Casserole

Tips for the best results

Variations & substitutions

My Personal Notes

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