Why Make This Recipe
Chicken Spaghetti Casserole is a comforting and easy dish that brings together the flavors of chicken, spaghetti, and cheesy goodness. It’s perfect for family dinners or potlucks. The warm and hearty ingredients make it a satisfying meal anyone will enjoy. Plus, it’s simple to make and can be prepared ahead of time, making your life easier during busy days.
How to Make Chicken Spaghetti Casserole
Ingredients
- 2 cups cooked spaghetti
- 2 cups shredded cooked chicken
- 1 cup grated cheese (cheddar or mozzarella)
- 1 can cream of mushroom soup
- 1 cup chicken broth
- 1/2 cup diced onion
- 1/2 cup diced bell pepper
- 1 teaspoon garlic powder
- Salt and pepper to taste
- 1 cup breadcrumbs (optional for topping)
Directions
- Preheat the oven to 350°F (175°C).
- In a large mixing bowl, combine cooked spaghetti, shredded chicken, grated cheese, cream of mushroom soup, chicken broth, diced onion, diced bell pepper, garlic powder, salt, and pepper.
- Mix until well combined.
- Transfer the mixture into a greased casserole dish.
- If using, sprinkle breadcrumbs on top for added crunch.
- Bake in the preheated oven for 25-30 minutes or until heated through and the topping is golden.
- Let cool for a few minutes before serving. Enjoy!
How to Serve Chicken Spaghetti Casserole
Serve Chicken Spaghetti Casserole hot from the oven. You can pair it with a simple side salad or some garlic bread for a complete meal. This dish is also great on its own, making it perfect for lunch leftovers.
How to Store Chicken Spaghetti Casserole
If you have leftovers, let the casserole cool completely before storing. Place it in an airtight container and refrigerate it for up to 3-4 days. You can also freeze the casserole for up to two months. Just make sure to cover it tightly to prevent freezer burn.
Tips to Make Chicken Spaghetti Casserole
- Use leftover rotisserie chicken to save time.
- Feel free to add other vegetables like peas or mushrooms for extra nutrients.
- For a spicy kick, you can add red pepper flakes or a dash of hot sauce.
Variation
You can change up the recipe by using different types of cheese like Monterey Jack or pepper jack for a unique flavor. You can also substitute the cream of mushroom soup with cream of chicken or even a homemade white sauce.
FAQs
Can I make Chicken Spaghetti Casserole ahead of time?
Yes, you can prepare the casserole a day ahead. Just mix the ingredients and store it in the fridge. Bake it when you’re ready to serve.
Can I use whole wheat spaghetti?
Yes, whole wheat spaghetti works well if you want a healthier option.
What if I don’t have cream of mushroom soup?
You can substitute it with cream of chicken soup or make a simple white sauce with butter, flour, and milk.

Chicken Spaghetti Casserole
Ingredients
Main Ingredients
- 2 cups cooked spaghetti
- 2 cups shredded cooked chicken Use leftover rotisserie chicken to save time.
- 1 cup grated cheese (cheddar or mozzarella) Feel free to change this cheese to Monterey Jack or pepper jack.
- 1 can cream of mushroom soup Can substitute with cream of chicken soup or a homemade white sauce.
- 1 cup chicken broth
- 1/2 cup diced onion
- 1/2 cup diced bell pepper Feel free to add other vegetables like peas or mushrooms for extra nutrients.
- 1 teaspoon garlic powder
- Salt and pepper To taste.
- 1 cup breadcrumbs (optional for topping) Optional for added crunch.
Instructions
Preparation
- Preheat the oven to 350°F (175°C).
- In a large mixing bowl, combine cooked spaghetti, shredded chicken, grated cheese, cream of mushroom soup, chicken broth, diced onion, diced bell pepper, garlic powder, salt, and pepper.
- Mix until well combined.
- Transfer the mixture into a greased casserole dish.
- If using, sprinkle breadcrumbs on top for added crunch.
Baking
- Bake in the preheated oven for 25-30 minutes or until heated through and the topping is golden.
- Let cool for a few minutes before serving.