This Southern Chicken Spaghetti with RoTel is a comforting and cheesy casserole that’s perfect for a satisfying weeknight meal. Tender spaghetti, shredded chicken, and a creamy sauce with a touch of spice from RoTel tomatoes and green chilies come together in this classic dish that’s sure to please the whole family.
Why You’ll Love This Recipe
- Flavorful and Cheesy: This casserole is packed with cheesy goodness and a hint of spice, making it a comforting and satisfying dish.
- Easy to Make: With simple ingredients and straightforward instructions, this casserole is a breeze to prepare.
- Versatile: You can easily customize this dish with your favorite cheeses, vegetables, or even different types of pasta.

Ingredients
Here’s what you’ll need to create this delicious casserole:
- Chicken breast: Cooked and shredded, you can use leftover chicken or rotisserie chicken for convenience.
- Spaghetti: Broken into smaller pieces for easier serving.
- Cream of chicken soup: Adds a creamy base to the sauce.
- Rotel: Diced tomatoes and green chilies, adds flavor and a touch of heat.
- Cream cheese: Adds richness and creaminess to the sauce.
- Cheddar cheese: Shredded, for that classic cheesy flavor.
- Heavy cream: Adds richness and helps create a smooth sauce. You can substitute milk if you prefer.
- Peppers and onions: Mixed, for flavor, color, and texture. You can use fresh or frozen.
Note: You’ll find the complete list of ingredients, along with their exact measurements, in the printable recipe card at the bottom of this post.
How to Make Southern Chicken Spaghetti with RoTel
Step 1: Prepare the Ingredients
Cook and shred the chicken breast. If using fresh onions and peppers, sauté them until softened. Cook the spaghetti in boiling salted water until tender, then drain.
Step 2: Make the Sauce
In a microwave-safe dish, combine the cream of chicken soup, RoTel, and cream cheese. Heat in the microwave, stirring every minute, until the mixture is smooth and creamy. Stir in 2 cups of the shredded cheddar cheese until melted and smooth. Add a splash of milk or cream if the sauce is too thick.
Step 3: Combine and Bake
Stir the shredded chicken, cooked spaghetti, and sautéed onions and peppers into the cheese sauce. Spoon the mixture into a greased casserole dish and top with the remaining 1 cup of cheddar cheese. Bake at 350°F for 20 minutes, or until heated through and the cheese is melted and bubbly. Let stand for 5 minutes before serving.
Pro Tips for Making the Recipe
- Use rotisserie chicken: For a shortcut, use shredded rotisserie chicken.
- Adjust the spice level: Use mild or medium RoTel to control the heat.
- Add toppings: Garnish with your favorite toppings, such as chopped green onions, sour cream, or crushed tortilla chips.
How to Serve Southern Chicken Spaghetti with RoTel

- Comforting Weeknight Meal: This Southern Chicken Spaghetti with RoTel is perfect for a warm and satisfying weeknight dinner.
- Potluck Favorite: It’s a crowd-pleasing dish that’s easy to transport and serve at potlucks.
- Lunchbox Friendly: Pack leftovers for a delicious and convenient lunch.
Make Ahead and Storage
Storing Leftovers
Leftovers can be stored in an airtight container in the refrigerator for up to 3 days or frozen for up to 3 months.
Reheating
Reheat gently in the oven or microwave until warmed through.

FAQs
Can I use a different type of pasta?
Yes, you can use other pasta shapes, such as penne or rotini.
Can I make this casserole without cream cheese?
Yes, you can omit the cream cheese, but it adds a lot of creaminess and flavor to the sauce.
Can I freeze this casserole?
Yes, you can freeze it before or after baking. If freezing after baking, let it cool completely before freezing.
How can I make this casserole spicier?
Use a hotter RoTel or add a pinch of cayenne pepper or diced jalapeños to the sauce.
There you have it! A cheesy, comforting, and easy-to-make recipe for Southern Chicken Spaghetti with RoTel that’s perfect for any occasion. Enjoy!
Print
Southern Chicken Spaghetti with RoTel Recipe
- Prep Time: 10 minutes
- Cook Time: 20 minutes
- Total Time: 30 minutes
- Yield: 8 servings 1x
- Category: Main Course
- Method: Baking
- Cuisine: Southern American
Description
This Southern Chicken Spaghetti with RoTel is a comforting and cheesy casserole that’s perfect for a family meal. Tender chicken, spaghetti, and a creamy sauce with a hint of spice come together in this easy-to-make dish.
Ingredients
- 1 1/2 pounds boneless, cooked, and shredded chicken breast (or more, as desired)
- 16 ounces spaghetti, broken into 2-inch pieces
- 2 (10.75-ounce) cans condensed cream of chicken soup
- 10 ounces diced tomatoes & green chilies (RoTel)
- 6 ounces cream cheese
- 3 cups shredded cheddar cheese (12 ounces), divided
- 1/4 cup heavy cream (or milk)
- 1 cup mixed peppers and onions (fresh or frozen)
Instructions
- Prepare Ingredients: Cook and shred chicken. If using fresh peppers and onions, sauté until softened. Cook spaghetti according to package directions and drain.
- Make Cheese Sauce: In a microwave-safe bowl, combine cream of chicken soup, RoTel, and cream cheese. Heat in the microwave, stirring every minute, until smooth and creamy. Stir in 2 cups of the cheddar cheese until melted. Thin with milk or cream if needed.
- Combine Ingredients: Stir in shredded chicken, cooked spaghetti, and sautéed peppers and onions.
- Assemble Casserole: Pour mixture into a greased casserole dish. Top with the remaining 1 cup of cheddar cheese.
- Bake (or Freeze): At this point, you can cover and freeze the casserole for up to 3 months or refrigerate for up to 2 days. When ready to bake, bake at 350°F for 20 minutes, or until heated through and cheese is melted and bubbly.
- Serve: Let stand for 5 minutes before serving.
Notes
- Serve with Angel Biscuits or your favorite sides.
- For a spicier dish, use hot RoTel or add a pinch of cayenne pepper.
- If you don’t have heavy cream, you can use milk or half-and-half.
- Leftovers can be stored in the refrigerator for up to 3 days.
Nutrition
- Serving Size: 1 Serving
- Calories: 500kcal
- Sugar: 10g
- Sodium: 1000mg
- Fat: 30g
- Saturated Fat: 15g
- Unsaturated Fat: 12g
- Trans Fat: 1g
- Carbohydrates: 40g
- Fiber: 3g
- Protein: 30g
- Cholesterol: 100mg