This irresistible spicy southern cheesy chicken spaghetti casserole brings comfort food to a whole new level. It’s creamy, zesty, and incredibly easy to make, making it perfect for busy weeknights or family gatherings. You’ll love how quickly it comes together, and it’s kid-approved!
Table of Contents
Essential Ingredients
Chicken and Pasta
To start, you’ll need 3–4 boneless, skinless chicken breasts, adding up to about 1.5 lbs. They provide the protein and heartiness your casserole needs. Pair this with 8 oz of spaghetti, which adds that delightful, chewy texture every casserole craves.
Cheese Selection
Now, let’s talk cheese! Use 2 cups of shredded sharp cheddar cheese for a rich, indulgent flavor. This cheesy goodness melts beautifully atop your casserole, creating a golden crust that’s simply irresistible.
Vegetables and Spices
To enhance the dish, include 1 cup of chopped fresh bell peppers for a pop of color and sweetness. Don’t forget the spices: 1 tsp of paprika, 1/2 tsp of cayenne pepper, and 1 tsp of garlic powder will give your casserole that spicy kick and depth of flavor.

Let’s Make It Together
Prepping the Oven and Casserole Dish
Preheat your oven to 350°F (175°C). Grease a large casserole dish with cooking spray or butter, ensuring nothing sticks.
Cooking the Chicken
In a large pot over medium heat, cook the seasoned chicken for about 6-7 minutes on each side. You’re looking for a beautiful golden color and fully cooked meat. Once done, let it cool slightly before shredding.
Preparing the Spaghetti
While the chicken cooks, bring a large pot of salted water to a boil. Cook the spaghetti until al dente, which takes about 8-10 minutes. Drain it and set aside, allowing it to cool just a bit.
Mixing Ingredients
In a bowl, combine the shredded chicken, cooked spaghetti, cream of chicken soup, bell peppers, spices, and half of the cheddar cheese. Mix gently until everything is well coated and full of flavor.
Baking the Casserole
Pour the mixture into your greased casserole dish and sprinkle the remaining cheese on top. Bake for 25-30 minutes. You want the top to be bubbly and golden brown, creating a beautiful crust that beckons you to dig in.
Perfecting the Cooking Process
Timing for Sautéing Chicken
The key to juicy chicken is not to rush it. By cooking for 6-7 minutes per side, you ensure it stays flavorful and tender, ready to blend perfectly into the casserole.
Achieving Al Dente Spaghetti
Cooking the spaghetti al dente ensures it holds up when baking. This slight firmness enhances the overall texture of your casserole, keeping it from becoming mushy.
Ensuring a Flavorful Blend
Mixing all the ingredients well allows the flavors to meld beautifully. The cream of chicken soup acts as a perfect binder, ensuring every bite is creamy and satisfying.
Add Your Touch
Customization Options
Feel free to get creative! Add in your favorite vegetables like mushrooms or spinach for added nutrition and flavor. The casserole is a blank canvas!
Vegetarian Alternatives
If you want a vegetarian option, substitute the chicken with mushrooms and use vegetable broth for that added flavor kick. It’s just as creamy and delicious.
Adjusting Spice Levels
Adjust the cayenne pepper based on your spice tolerance. You can always start with less and add more if you like it spicier. Tailoring the heat makes it perfect for everyone.
Storing & Reheating
Storing Leftovers
Leftovers can be stored in an airtight container in the fridge for up to three days. This makes it perfect for meal prep; enjoy it throughout the week!
Reheating Instructions
To reheat, simply pop it in the microwave or oven until heated through. It’s just as comforting the next day!
FAQs About The spicy southern cheesy chicken spaghetti casserole
What do you need for chicken spaghetti?
To make chicken spaghetti, you’ll need boneless chicken breasts, spaghetti, cream of chicken soup, bell peppers, cheese, and spices.
How long can you keep a cooked chicken casserole in the fridge?
A cooked chicken casserole can be kept in the fridge for up to three days.
How do you reheat spaghetti casserole?
You can reheat spaghetti casserole in the microwave or oven until heated through.
What to serve with chicken spaghetti?
Chicken spaghetti pairs well with a fresh salad, garlic bread, or steamed vegetables.
Related Recipes to try
- Slow Cooker Crack Chicken Soup
- Creamy White Chicken Chili
- Crockpot Chicken Tortellini
- Creamy Garlic Chicken Gnocchi Skillet
- Sausage and Tortellini Soup
Conclusion
This irresistible spicy southern cheesy chicken spaghetti casserole is a delightful dish that warms you from the inside out. For more delicious inspiration
check out ideas on Pinterest, where you’ll find mouthwatering recipes that will make mealtime special.

Irresistible Spicy Southern Cheesy Chicken Spaghetti Casserole
Equipment
- large casserole dish
- large pot
- Mixing bowl
Ingredients
- 3–4 pieces boneless, skinless chicken breasts approximately 1.5 lbs
- 8 oz spaghetti
- 2 cups shredded sharp cheddar cheese
- 1 cup chopped fresh bell peppers
- 1 can (10.5 oz) cream of chicken soup
- 1 tsp paprika
- 1/2 tsp cayenne pepper
- 1 tsp garlic powder
- 1/4 cup sliced green onions
Instructions
- Preheat the oven to 350°F (175°C) and grease a large casserole dish.
- Cook the chicken in a large pot over medium heat for about 6-7 minutes on each side until golden and fully cooked.
- Boil salted water and cook the spaghetti until al dente, approximately 8-10 minutes, then drain.
- Mix the shredded chicken, cooked spaghetti, cream of chicken soup, bell peppers, spices, and half of the cheddar cheese in a bowl until well coated.
- Pour the mixture into the greased casserole dish, sprinkle the remaining cheese on top, and bake for 25-30 minutes until bubbly and golden brown.
- Let the casserole rest for 5 minutes before garnishing with chopped green onions and serving.