Spaghetti Chicken Casserole has always been one of those feel-good dinners that instantly brings comfort—and memories—back to life. I first recreated this creamy baked chicken spaghetti recipe after a cozy lunch with my grandma at a charming little restaurant that served something similar. The cheesy aroma, the creamy sauce, the way the noodles clung to the tender chicken—it was unforgettable. That weekend, during a rainy Sunday, I raided my pantry and gave it my own spin, turning it into the best spaghetti chicken casserole for family dinnersand lazy weekends alike. Packed with shredded chicken, melty cheddar, and flavorful veggies, this easy chicken pasta bake is now a staple in our home. Want to know the best part? It’s incredibly simple to prepare, making it an ideal go-to for busy weeknights.
So if you’ve been searching for an easy spaghetti chicken casserole recipe, or wondering how to make spaghetti chicken casserole at home, you’re in the right place!
What Makes This Spaghetti Chicken Casserole So Irresistible
✅ One-dish dinner that saves time and dishes
✅ Cheesy, creamy, and full of flavor – comfort food at its best
✅ Perfect for meal prep – reheats beautifully
✅ Feeds a crowd with minimal effort
✅ Great for leftovers (if there are any!)
✅ A perfect beginner-friendly chicken casserole recipe
Ingredients for Spaghetti Chicken Casserole
Here’s everything you’ll need to whip up this crave-worthy dish:
3 cups cooked chicken breast, shredded (rotisserie chicken works great)
12 oz spaghetti, cooked and drained (can substitute gluten-free spaghetti)
1 can (10.5 oz) cream of mushroom soup
1 can (10.5 oz) cream of chicken soup
1 can (10 oz) diced tomatoes with green chilies, drained
1 cup chopped green bell pepper
1 cup chopped red bell pepper
1/2 cup chopped onion
2 cups shredded cheddar cheese, divided
1/2 cup sour cream
1 tsp garlic powder
1 tsp black pepper
1/2 tsp salt
1/2 tsp paprika
Dietary Tip: Want a gluten-free version? Use gluten-free pasta and check the labels on the canned soups.
Spice it up: Add a pinch of cayenne or jalapeños for a kick!
Baked spaghetti chicken casserole loaded with creamy sauce, bell peppers, and melted cheddar cheese.
How to Make Spaghetti Chicken Casserole – Step-by-Step Guide
🧀 Step 1: Preheat and Prep
Preheat your oven to 350°F (175°C).
Lightly grease a 9×13-inch baking dish.
🍲 Step 2: Create the Creamy Sauce
In a large mixing bowl, combine:
Cream of mushroom soup
Cream of chicken soup
Sour cream
Garlic powder
Salt, pepper, and paprika
Mix until smooth and well blended.
🍗 Step 3: Add the Good Stuff
To the creamy mixture, add:
Shredded chicken
Drained tomatoes with green chilies
Chopped red and green bell peppers
Chopped onion
1 cup of shredded cheddar cheese
Stir to combine.
🍝 Step 4: Fold in the Pasta
Add the cooked and drained spaghetti to the bowl and stir until everything is evenly coated.
Pro Tip: Use tongs or a spatula for easy mixing without breaking the pasta.
🧩 Step 5: Assemble the Casserole
Pour the mixture into your prepared baking dish.
Spread it out evenly.
Top with the remaining 1 cup of shredded cheddar cheese.
🔥 Step 6: Bake to Perfection
Bake uncovered for 30–35 minutes until bubbly and golden brown.
Optional: For a crispier top, broil for the last 3–5 minutes (but watch closely!).
Pro Tips for Making the Best Chicken Spaghetti Casserole
Can I make this ahead of time? Yes! Assemble everything, cover with foil, and refrigerate for up to 24 hours. Just add 5–10 extra minutes to baking time.
What’s the secret to the creamiest casserole? Don’t skip the sour cream—it balances richness and adds silky texture.
How can I change up the flavors? Swap the cheddar for Monterey Jack, use rotisserie chicken for added depth, or stir in cooked mushrooms for an umami punch.
Golden-baked chicken spaghetti casserole topped with cheese and packed with veggies.
Best Ways to Serve This Spaghetti Chicken Casserole
This dish is hearty on its own, but here are a few serving suggestions to take it over the top:
🥗 Side Salad – Try a crisp green salad with balsamic vinaigrette.
🥖 Garlic Bread – Perfect for soaking up any creamy sauce left on your plate.
Explore more comfort food classics on our Recipes Page!
Your Turn in the Kitchen!
Now that you’ve got the full scoop on how to make the best Spaghetti Chicken Casserole, it’s time to get cooking!
Whether you’re meal prepping for the week, feeding a hungry crowd, or treating yourself to a cozy night in, this creamy, cheesy classic is sure to hit the spot. The combination of tender chicken, al dente pasta, vibrant veggies, and rich sauce is simply irresistible.
⭐ We want to hear from you! Leave a comment below and let us know how it turned out. What’s your favorite way to customize this dish?
📌 Don’t forget to share this recipe with friends and family or save it for your next meal plan.
Now you know how to make the best Spaghetti Chicken Casserole at home—happy cooking!
This creamy, cheesy Spaghetti Chicken Casserole is the ultimate comfort food. Loaded with shredded chicken, tender pasta, colorful bell peppers, and a rich, savory sauce, it’s perfect for family dinners, potlucks, or make-ahead meals.
Ingredients
Scale
3 cups cooked chicken breast, shredded
12 oz spaghetti, cooked and drained
1 can (10.5 oz) cream of mushroom soup
1 can (10.5 oz) cream of chicken soup
1 can (10 oz) diced tomatoes with green chilies, drained
1 cup chopped green bell pepper
1 cup chopped red bell pepper
1/2 cup chopped onion
2 cups shredded cheddar cheese, divided
1/2 cup sour cream
1 tsp garlic powder
1 tsp black pepper
1/2 tsp salt
1/2 tsp paprika
Instructions
Preheat oven to 350°F (175°C) and lightly grease a 9×13-inch baking dish.
In a large mixing bowl, combine cream of mushroom soup, cream of chicken soup, sour cream, garlic powder, salt, pepper, and paprika. Mix well.
Add shredded chicken, drained diced tomatoes with green chilies, chopped green and red bell peppers, chopped onion, and 1 cup of shredded cheddar cheese to the mixture. Stir to combine.
Fold in the cooked and drained spaghetti until fully coated in the creamy mixture.
Transfer the mixture to the prepared baking dish and spread evenly.
Top with the remaining 1 cup of shredded cheddar cheese.
Bake uncovered for 30–35 minutes, or until the casserole is bubbly and the cheese is melted and golden.
Optional: Broil for 2–3 minutes for a crispier cheese topping.
Notes
Use rotisserie chicken to save time and add flavor.
Substitute plain diced tomatoes if you prefer less spice.
For a gluten-free version, use gluten-free spaghetti and soups.
Hi, I'm Maria, and together with my sister Patricia, we share a deep passion for the culinary world. Our journey is all about bringing to you a collection of both sweet and savory recipes that we've lovingly tested and perfected in our kitchen.
