Chicken Spaghetti Casserole
Why You’ll Love This Recipe
Chicken Spaghetti Casserole is a comforting dish that’s perfect for busy weeknights or casual gatherings. It’s easy to make, satisfying, and packed with flavor. This casserole combines tender chicken, creamy sauce, and cheesy goodness all in one dish. Plus, it’s a great way to use leftover chicken!
How to Make Chicken Spaghetti Casserole
Ingredients:
- 2 cups cooked spaghetti
- 2 cups cooked, shredded chicken
- 1 can (10 oz) Rotel tomatoes, undrained
- 1 cup sour cream
- 1 cup cream of chicken soup
- 1 cup shredded cheddar cheese
- 1 cup shredded mozzarella cheese
- 1/2 cup grated parmesan cheese
- 1 teaspoon garlic powder
- 1 teaspoon onion powder
- Salt and pepper to taste
- 1 cup diced bell peppers (optional)
- 1/2 cup breadcrumbs (optional for topping)
Directions:
- Preheat the oven to 350°F (175°C).
- In a large mixing bowl, combine cooked spaghetti, shredded chicken, Rotel tomatoes, sour cream, cream of chicken soup, half of the cheddar and mozzarella cheeses, garlic powder, onion powder, salt, and pepper. If using, add diced bell peppers.
- Mix well until all ingredients are combined.
- Transfer the mixture to a greased 9×13 inch baking dish.
- Sprinkle the remaining cheese on top, and if desired, add breadcrumbs over the cheese.
- Bake in the preheated oven for 25-30 minutes, or until bubbly and golden on top.
- Let cool slightly before serving.
How to Serve Chicken Spaghetti Casserole
This casserole is delicious on its own but pairs nicely with a simple green salad or some crusty bread. For extra flavor, you might also drizzle it with a bit of hot sauce or serve it with garlic bread on the side.
How to Store Chicken Spaghetti Casserole
To store leftovers, allow the casserole to cool completely. Place it in an airtight container and refrigerate. It will stay fresh for about 3-4 days. You can also freeze it for longer storage; just ensure it’s well-sealed to prevent freezer burn.
Tips to Make Chicken Spaghetti Casserole
- For added flavor, sauté the diced bell peppers before mixing them into the casserole.
- You can substitute cooked turkey for the shredded chicken for a holiday twist.
- To make it a bit healthier, consider using whole wheat spaghetti or adding more vegetables like zucchini or spinach.
Variation
You can easily adapt this recipe by using different types of cheese, such as pepper jack for a spicy kick, or using different proteins like ground beef or sausage.
FAQs
1. Can I make this dish ahead of time?
Yes, you can prepare the casserole, cover it, and refrigerate it for a day before baking. Just add a few extra minutes to the cooking time if baking straight from the fridge.
2. Can I freeze Chicken Spaghetti Casserole?
Absolutely! It’s a great freezer-friendly meal. Just make sure to let it cool completely and then wrap it tightly before freezing.
3. What can I serve with Chicken Spaghetti Casserole?
This casserole is great with a side salad, garlic bread, or steamed vegetables. It makes a complete meal on its own, but sides can enhance it!

Chicken Spaghetti Casserole
Ingredients
Main Ingredients
- 2 cups cooked spaghetti
- 2 cups cooked, shredded chicken Use leftover chicken if available.
- 1 can (10 oz) Rotel tomatoes, undrained
- 1 cup sour cream
- 1 cup cream of chicken soup
- 1 cup shredded cheddar cheese Divided
- 1 cup shredded mozzarella cheese Divided
- ½ cup grated parmesan cheese
- 1 teaspoon garlic powder
- 1 teaspoon onion powder
- Salt and pepper to taste
- 1 cup diced bell peppers (optional) For extra flavor.
- ½ cup breadcrumbs (optional for topping) For added crunch.
Instructions
Preparation
- Preheat the oven to 350°F (175°C).
- In a large mixing bowl, combine cooked spaghetti, shredded chicken, Rotel tomatoes, sour cream, cream of chicken soup, half of the cheddar and mozzarella cheeses, garlic powder, onion powder, salt, and pepper. If using, add diced bell peppers.
- Mix well until all ingredients are combined.
- Transfer the mixture to a greased 9×13 inch baking dish.
- Sprinkle the remaining cheese on top, and if desired, add breadcrumbs over the cheese.
Baking
- Bake in the preheated oven for 25-30 minutes, or until bubbly and golden on top.
- Let cool slightly before serving.
