Chicken Spaghetti Casserole

Looking for a comforting, cheesy, and satisfying meal that the whole family will love? This Chicken Spaghetti Casserole is a classic Southern-style dish that’s creamy, full of flavor, and easy to make. Tender shredded chicken is tossed with spaghetti and a rich cheese sauce, then baked to bubbly perfection. It’s perfect for make-ahead dinners, potlucks, or busy weeknights when you need something delicious and hearty.

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Why You’ll Love This Recipe
Crowd-Pleaser – Cheesy, creamy, and comforting—everyone loves it.
Great for Meal Prep – Can be made ahead and frozen for later.
Budget-Friendly – Uses pantry staples and leftovers efficiently.
Customizable – Add veggies, switch cheeses, or use different pasta shapes.
One Dish Wonder – An all-in-one casserole that makes clean-up a breeze.

Ingredients You’ll Need
For the Casserole:

• 12 oz spaghetti (broken into thirds)
• 3 cups cooked chicken, shredded (rotisserie or boiled works well)
• 1 tbsp olive oil
• 1 small onion, finely chopped
• 1 green bell pepper, chopped
• 2 cloves garlic, minced
• 1 can (10.5 oz) cream of chicken soup
• 1 can (10.5 oz) cream of mushroom soup
• 1 can (10 oz) diced tomatoes with green chilies (drained)
• 1 cup chicken broth
• 2 cups shredded cheddar cheese (divided)
• 1 cup shredded mozzarella cheese
• 1 tsp salt
• ½ tsp black pepper
• ½ tsp smoked paprika
• ½ tsp garlic powder

Optional Garnishes:

• Fresh parsley, chopped
• Crushed red pepper flakes (for a little kick)
• Extra cheese on top (because why not?)

Tools You’ll Need

• Large pot
• Colander
• Large mixing bowl
• Skillet
• 9×13-inch baking dish
• Aluminum foil

Step-by-Step Instructions

Step 1: Cook the Spaghetti

1. Fill a large pot with water, bring it to a boil, and add a generous pinch of salt.
2. Cook the spaghetti until al dente according to package directions.
3. Drain the pasta and set aside.

Step 2: Sauté the Veggies

1. In a large skillet, heat olive oil over medium heat.
2. Add chopped onion and bell pepper, and cook for about 4 minutes until softened.
3. Stir in garlic and cook for another 30 seconds, until fragrant. Remove from heat.

Step 3: Mix the Casserole Base

1. In a large mixing bowl, combine cream of chicken soup, cream of mushroom soup, diced tomatoes with green chilies, and chicken broth.
2. Stir in salt, black pepper, paprika, and garlic powder.
3. Add shredded chicken, sautéed veggies, 1 ½ cups cheddar cheese, mozzarella cheese, and cooked spaghetti.
4. Toss everything together until well mixed and evenly coated.

Step 4: Assemble the Casserole

1. Preheat oven to 350°F (175°C).
2. Grease a 9×13-inch baking dish and pour in the spaghetti mixture.
3. Spread it out evenly, then sprinkle the remaining ½ cup of cheddar cheese on top.
4. Cover with aluminum foil.

Step 5: Bake the Casserole

1. Bake covered for 25 minutes.
2. Remove the foil and bake for an additional 10-15 minutes, or until the cheese is bubbly and golden.
3. Let it rest for 5 minutes before serving.

Tips for the Best Chicken Spaghetti Casserole
Use Leftover Chicken – Rotisserie or pre-cooked chicken saves time and adds flavor.
Break Pasta Into Pieces – Easier to mix and serve when spaghetti is in smaller strands.
Add Veggies – Feel free to mix in mushrooms, corn, peas, or spinach.
Make it Spicier – Use hot diced tomatoes with chilies or add a pinch of cayenne.
Double and Freeze – Make two and freeze one for a ready-made meal later.

Serving Suggestions
Garlic Bread – Perfect for soaking up the cheesy sauce.
Green Salad – Light and crisp to balance the richness of the casserole.
Steamed Broccoli – Adds color and nutrients to the plate.
Sweet Tea or Lemonade – Classic Southern pairing.

How to Store & Reheat

Storing:
Refrigerate: Store leftovers in an airtight container for up to 4 days.
Freeze: Freeze the unbaked or baked casserole tightly wrapped for up to 3 months.

Reheating:
Oven: Cover with foil and bake at 350°F for 20-25 minutes or until hot.
Microwave: Heat single servings on medium power in 1-minute intervals, stirring in between.
Thawing: If frozen, thaw in the refrigerator overnight before baking or reheating.

Frequently Asked Questions

1. Can I use a different pasta?
   Yes! Penne, rotini, or elbow macaroni all work well in this casserole.
2. Is there a way to make this healthier?
   You can use low-fat soups, reduced-fat cheese, and whole wheat pasta to lighten it up.
3. Can I make this casserole ahead of time?
   Absolutely. Assemble it, cover, and refrigerate for up to 24 hours before baking.
4. What if I don’t have cream of mushroom soup?
   You can double the cream of chicken or use a cream of celery soup instead.
5. Can I add more protein?
   Yes! Add cooked beans or extra chicken to boost the protein content.

Final Thoughts
This Chicken Spaghetti Casserole is a cozy, comforting dish that hits all the right notes—cheesy, creamy, and packed with flavor. It’s simple enough for a weeknight dinner but satisfying enough to serve guests or bring to gatherings. Plus, it’s freezer-friendly, so you can always have a homemade meal ready to go.
Give this recipe a try and enjoy every cheesy, savory bite. Don’t forget to leave a review and share your photo if you make it. Happy cooking!

Preparation Time: 15 minutes
Cooking Time: 35 minutes
Cuisine: American

Nutritional Information (Per Serving):
Calories: 420 | Protein: 28g | Carbohydrates: 34g | Fat: 20g | Fiber: 3g | Sodium: 680mg

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