
Why make this recipe
Chicken Spaghetti Casserole is a perfect dish for busy weeknights or family gatherings. It combines tender chicken and spaghetti with a creamy, cheesy sauce, making it comforting and satisfying. Plus, it’s simple to prepare and can feed a crowd, which means you can enjoy leftovers for lunch the next day!
How to make Chicken Spaghetti Casserole
Ingredients:
- 3 cups cooked spaghetti
- 2 cups cooked chicken, shredded
- 1 can Rotel tomatoes
- 2 cups shredded cheese (mix of cheddar, mozzarella, and cream cheese)
- 1 can cream of chicken soup
- 1/2 cup milk
- Salt and pepper to taste
- 1/2 teaspoon garlic powder
- 1/2 teaspoon onion powder
- 1/4 teaspoon paprika
Directions:
- Preheat the oven to 350°F (175°C).
- In a large bowl, combine the cooked spaghetti, shredded chicken, Rotel tomatoes, cream of chicken soup, milk, and 2 cups of the cheese.
- Add salt, pepper, garlic powder, onion powder, and paprika. Mix well.
- Pour the mixture into a greased casserole dish and top with the remaining cheese.
- Bake in the preheated oven for 25-30 minutes, or until the cheese is bubbly and golden.
- Let cool for a few minutes before serving.
How to serve Chicken Spaghetti Casserole
Serve Chicken Spaghetti Casserole hot right out of the oven. You can garnish it with extra cheese, chopped parsley, or green onions for a pop of color. This dish pairs well with a simple salad or garlic bread.
How to store Chicken Spaghetti Casserole
To store leftovers, allow the casserole to cool completely. Then, cover it with plastic wrap or foil and place it in the refrigerator. It will last for up to 3 days. You can also freeze it for longer storage. Make sure to wrap it tightly to prevent freezer burn.
Tips to make Chicken Spaghetti Casserole
- Use rotisserie chicken for a quicker option. It saves time and adds flavor.
- Feel free to add vegetables like bell peppers or spinach for extra nutrition.
- You can customize the cheese blend to your preference.
Variation
For a spicy kick, use spicy Rotel tomatoes or add sliced jalapeños into the mixture. You can also try different types of pasta, like penne or rigatoni, instead of spaghetti.
FAQs
1. Can I make Chicken Spaghetti Casserole ahead of time?
Yes, you can prepare it a day in advance. Just cover it tightly and store it in the fridge until you’re ready to bake.
2. Is there a gluten-free option?
Yes, you can substitute regular spaghetti with gluten-free pasta.
3. Can I use canned chicken instead of cooked chicken?
Absolutely! Canned chicken is a convenient alternative and can save time. Be sure to drain it well before using.

Chicken Spaghetti Casserole
Ingredients
Main Ingredients
- 3 cups cooked spaghetti Use regular or gluten-free spaghetti.
- 2 cups cooked chicken, shredded Rotisserie chicken can be used for convenience.
- 1 can Rotel tomatoes Use mild or spicy based on preference.
- 2 cups shredded cheese (mix of cheddar, mozzarella, and cream cheese) Customize the cheese blend as desired.
- 1 can cream of chicken soup Can be substituted with a homemade version if desired.
- 1/2 cup milk Use any type of milk, including non-dairy options.
- Salt and pepper to taste Adjust according to preference.
- 1/2 teaspoon garlic powder
- 1/2 teaspoon onion powder
- 1/4 teaspoon paprika Can be omitted for less heat.
Instructions
Preparation
- Preheat the oven to 350°F (175°C).
- In a large bowl, combine the cooked spaghetti, shredded chicken, Rotel tomatoes, cream of chicken soup, milk, and 2 cups of the cheese.
- Add salt, pepper, garlic powder, onion powder, and paprika. Mix well.
- Pour the mixture into a greased casserole dish and top with the remaining cheese.
Baking
- Bake in the preheated oven for 25-30 minutes, or until the cheese is bubbly and golden.
- Let cool for a few minutes before serving.