If you’re looking for a comforting and hearty dish, this chicken spaghetti casserole is the perfect choice. With tender chicken, creamy sauce, and flavorful spices, it’s a meal that will please everyone at the table. This recipe is easy to prepare and can be made ahead of time, making it an ideal option for busy weeknights or special gatherings. Let’s dive into the details and get cooking!
Ingredients
– 2 cups cooked spaghetti
– 2 cups shredded cooked chicken
– 1 can (10.5 oz) cream of mushroom soup
– 1 cup sour cream
– 1 cup shredded cheddar cheese
– 1/2 cup diced onion
– 1/2 cup diced bell pepper
– 1 tsp garlic powder
– 1 tsp Italian seasoning
– Salt and pepper to taste
Servings and Cooking Time
This recipe serves 6 people. Preparation time is 15 minutes, and cooking time is 30 minutes.
Nutritional Value
Each serving (1/6 of the casserole) contains approximately 350 calories, 18g of protein, 15g of fat, and 35g of carbohydrates.
Step-by-Step Cooking Process
- Preheat oven to 350°F (175°C).
- In a large mixing bowl, combine cooked spaghetti and shredded chicken.
- Add cream of mushroom soup and sour cream; mix well.
- Stir in diced onion, bell pepper, garlic powder, and Italian seasoning.
- Season with salt and pepper to taste.
- Transfer the mixture into a greased 9×13 inch baking dish.
- Sprinkle shredded cheddar cheese evenly on top.
- Bake in the preheated oven for 30 minutes, or until bubbly and golden.
- Remove from oven and let it cool for a few minutes before serving.
- Garnish with fresh herbs if desired.
Alternative Ingredients
You can substitute cream of mushroom soup with cream of chicken or even a homemade white sauce. For a lighter option, use Greek yogurt instead of sour cream. You can also swap chicken for turkey or use rotisserie chicken for convenience.
Serving and Pairings
This dish pairs wonderfully with a fresh garden salad or garlic bread. For a more substantial meal, consider serving it alongside roasted vegetables or a light soup.
Storage and Reheating
Store leftover casserole in an airtight container in the refrigerator for up to 3 days. To reheat, place in the oven at 350°F (175°C) for about 15-20 minutes until heated through. This casserole can also be frozen for up to 3 months; thaw in the refrigerator before reheating.
Cooking Mistakes
- Don’t overcook the spaghetti; it should be al dente.
- Avoid using too much salt, as the soup and cheese can be salty.
- Make sure to mix all ingredients thoroughly.
- Ensure the casserole dish is well-greased to prevent sticking.
- Don’t skip the cooling time before serving to help set the dish.
Helpful Tips
- Consider adding vegetables like spinach or broccoli for added nutrition.
- For extra flavor, add a splash of hot sauce or a sprinkle of paprika.
- Use a mix of cheeses for a richer taste.
- Prepare the casserole a day in advance and refrigerate until baking.
FAQs
Can I use uncooked chicken in this recipe?
No, it’s best to use precooked chicken to ensure even cooking and prevent the casserole from being undercooked.
How can I make this dish gluten-free?
Use gluten-free pasta and ensure that your cream of mushroom soup is also gluten-free.
Can I add more vegetables?
Absolutely! Feel free to include vegetables like zucchini, carrots, or peas for extra flavor and nutrition.
How long does it take to bake from frozen?
From frozen, bake at 350°F (175°C) for about 60-75 minutes, covered with foil for the first 30 minutes.
Is this dish suitable for meal prep?
Yes, it’s perfect for meal prep! You can divide it into portions and store them for easy reheating throughout the week.
Conclusion
This chicken spaghetti casserole is a delightful blend of flavors and textures, making it a hit for family dinners or potlucks. Easy to prepare and versatile, it can be modified to suit your tastes. Enjoy this hearty meal with loved ones, and don’t forget to savor each bite!

Chicken Spaghetti Casserole Recipe
Ingredients
- 2 cups cooked spaghetti
- 2 cups shredded cooked chicken
- 1 can 10.5 oz cream of mushroom soup
- 1 cup sour cream
- 1 cup shredded cheddar cheese
- 1/2 cup diced onion
- 1/2 cup diced bell pepper
- 1 tsp garlic powder
- 1 tsp Italian seasoning
- Salt and pepper to taste
Instructions
- Preheat oven to 350°F (175°C).
- In a large mixing bowl, combine cooked spaghetti and shredded chicken.
- Add cream of mushroom soup and sour cream; mix well.
- Stir in diced onion, bell pepper, garlic powder, and Italian seasoning.
- Season with salt and pepper to taste.
- Transfer the mixture into a greased 9x13 inch baking dish.
- Sprinkle shredded cheddar cheese evenly on top.
- Bake in the preheated oven for 30 minutes, or until bubbly and golden.
- Remove from oven and let it cool for a few minutes before serving.
- Garnish with fresh herbs if desired.