Introduction
If you’re looking for a delicious, comforting, and easy-to-make dinner, this Cheesy Chicken Spaghetti Casserole is the perfect recipe! Packed with creamy sauces, tender chicken, and loads of cheese, this dish is a family favorite that will have everyone coming back for seconds. Whether you’re preparing a weeknight meal or making something special for a gathering, this cheesy chicken casserole is sure to impress.
In this comprehensive guide, we’ll cover everything you need to know about this dish, from ingredients and step-by-step instructions to variations, storage tips, and FAQs. Let’s dive in!
Why You’ll Love This Cheesy Chicken Spaghetti Casserole
- Easy to Make: This recipe comes together in just a few simple steps.
- Comforting & Hearty: Perfect for cold nights or when you need a cozy meal.
- Great for Leftovers: The flavors develop even more the next day.
- Kid-Friendly: The cheesy goodness makes it a hit with kids and adults alike.
Ingredients You’ll Need
For the Casserole:
- 2 cups cooked chicken, shredded (rotisserie chicken works great!)
- 8 ounces spaghetti, cooked and drained
- 1 can (10.5 oz) cream of chicken soup
- 1 can (10.5 oz) cream of mushroom soup
- 1 cup sour cream
- 1 ½ cups shredded cheddar cheese
- 1 cup shredded Monterey Jack cheese
- ½ cup chicken broth
- 1 teaspoon garlic powder
- 1 teaspoon onion powder
- ½ teaspoon smoked paprika
- ½ teaspoon salt
- ¼ teaspoon black pepper
- ½ teaspoon red pepper flakes (optional for a slight kick)
- ½ cup diced tomatoes with green chilies (Rotel)
For the Topping:
- ½ cup crushed Ritz crackers or breadcrumbs
- 2 tablespoons melted butter

Step-by-Step Instructions
Step 1: Preheat the Oven
Preheat your oven to 375°F (190°C) and grease a 9×13-inch baking dish.
Step 2: Prepare the Sauce
In a large bowl, combine:
- Cream of chicken soup
- Cream of mushroom soup
- Sour cream
- Chicken broth
- Garlic powder, onion powder, smoked paprika, salt, black pepper, and red pepper flakes (if using)
Whisk until smooth.
Step 3: Combine Ingredients
Stir in the shredded chicken, cooked spaghetti, diced tomatoes with green chilies, 1 cup cheddar cheese, and ½ cup Monterey Jack cheese until everything is well combined.
Step 4: Assemble the Casserole
Transfer the mixture to the prepared baking dish and spread evenly. Sprinkle the remaining cheddar and Monterey Jack cheese over the top.
Step 5: Add the Crunchy Topping
In a small bowl, mix crushed crackers or breadcrumbs with melted butter. Sprinkle this mixture evenly over the casserole.
Step 6: Bake
Bake for 25-30 minutes, or until the cheese is melted and bubbly.
Step 7: Serve & Enjoy!
Let the casserole cool for about 5 minutes before serving. Enjoy this cheesy goodness with a side salad or garlic bread.
Recipe Variations & Substitutions
Make it Spicier
- Add diced jalapeños to the mixture for extra heat.
- Use pepper jack cheese instead of Monterey Jack.
Make it Healthier
- Swap out sour cream for Greek yogurt.
- Use whole wheat spaghetti or zucchini noodles.
- Add more vegetables like bell peppers, mushrooms, or spinach.
Swap the Meat
- Replace chicken with ground turkey, shredded beef, or even cooked shrimp.
Dairy-Free Option
- Use dairy-free cheese and coconut cream instead of sour cream.
How to Store & Reheat
Storing Leftovers
- Store in an airtight container in the refrigerator for up to 4 days.
- Freeze for up to 3 months (wrap well in aluminum foil and place in a freezer-safe bag).
Reheating Instructions
- Microwave: Heat in 30-second intervals until warm.
- Oven: Cover with foil and bake at 350°F (175°C) for 15 minutes.
FAQs About Cheesy Chicken Spaghetti Casserole
1. Can I make this casserole ahead of time?
Yes! Assemble the casserole and refrigerate for up to 24 hours before baking. When ready, bake as directed.
2. What’s the best cheese for this recipe?
A combination of cheddar and Monterey Jack provides the best balance of creaminess and flavor, but you can use Colby Jack, mozzarella, or even gouda.
3. Can I use rotisserie chicken?
Absolutely! Rotisserie chicken is a great time-saver and adds extra flavor.
4. Can I use a different type of pasta?
Yes, penne, rotini, or fettuccine work well in place of spaghetti.
5. How can I make it gluten-free?
Use gluten-free pasta and replace the crackers with gluten-free breadcrumbs.
Conclusion
This Cheesy Chicken Spaghetti Casserole is the ultimate comfort food, perfect for busy weeknights or family gatherings. With its creamy, cheesy, and flavorful combination, it’s a dish that everyone will love. Plus, with plenty of variations and storage options, it’s a recipe you can customize and enjoy anytime.
Try this recipe today and enjoy a delicious homemade meal that’s easy to prepare and packed with flavor. Happy cooking!
Print
Cheesy Chicken Spaghetti Casserole – A Creamy & Comforting Family Favorite
Ingredients
Preheat oven to 375°F (190°C) and grease a 9×13-inch baking dish.
In a large bowl, mix cream of chicken soup, cream of mushroom soup, sour cream, chicken broth, garlic powder, onion powder, smoked paprika, salt, black pepper, and red pepper flakes.
Stir in the shredded chicken, cooked spaghetti, diced tomatoes with green chilies, 1 cup cheddar cheese, and ½ cup Monterey Jack cheese until well combined.
Transfer the mixture to the prepared baking dish and spread evenly.
Sprinkle the remaining cheddar and Monterey Jack cheese over the top.
In a small bowl, mix crushed crackers or breadcrumbs with melted butter, then sprinkle over the casserole.
Bake for 25–30 minutes, or until cheese is melted and bubbly.
Let cool for 5 minutes before serving.
Instructions
Preheat oven to 375°F (190°C) and grease a 9×13-inch baking dish.
In a large bowl, mix cream of chicken soup, cream of mushroom soup, sour cream, chicken broth, garlic powder, onion powder, smoked paprika, salt, black pepper, and red pepper flakes.
Stir in the shredded chicken, cooked spaghetti, diced tomatoes with green chilies, 1 cup cheddar cheese, and ½ cup Monterey Jack cheese until well combined.
Transfer the mixture to the prepared baking dish and spread evenly.
Sprinkle the remaining cheddar and Monterey Jack cheese over the top.
In a small bowl, mix crushed crackers or breadcrumbs with melted butter, then sprinkle over the casserole.
Bake for 25-30 minutes, or until cheese is melted and bubbly.
Let cool for 5 minutes before serving.