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    Home » Recipes » Chicken

    Chicken Spaghetti

    Published: Apr 13, 2026 by Evelyn Petrie · Leave a Comment

    Jump to Recipe

    You won’t believe how easy it is to whip up a comforting Chicken Spaghetti that the whole family will love. I remember the first time I made this dish for a potluck, and it disappeared within minutes. It’s a hit for gatherings, weeknight dinners, and all those busy days when you need something satisfying and straightforward. This dish combines the heartiness of chicken and pasta with creamy goodness, making it a favorite in my kitchen.

    Chicken Spaghetti Casserole

    This Chicken Spaghetti Casserole is not just delicious; it’s also a breeze to prepare. With mixed flavors from fresh veggies and zesty tomatoes, you’ll want to keep this recipe in your weekly rotation. It’s perfect for feeding a crowd or enjoying as leftovers. Trust me; once you try this dish, it will become a staple in your home.

    Jump to:
    • Why You’ll Love This Recipe
    • Ingredients You'll Need
    • How to Make Chicken Spaghetti
    • Pro Tips from My Kitchen
    • Serving Ideas and Variations
    • Frequently Asked Questions About Chicken Spaghetti
    • Chicken Spaghetti Recipe

    Why You’ll Love This Recipe

    • Easy to Prepare: With simple steps, this casserole comes together quickly, making it perfect for busy weeknights.
    • Comfort Food Appeal: The creamy texture and cheesy topping deliver the ultimate comfort food experience.
    • Great for Leftovers: This dish holds up well in the fridge, making it perfect for lunch the next day.
    • Customizable Ingredients: You can easily swap ingredients to suit your taste or accommodate what you have on hand.
    • Feeds a Crowd: This casserole is hearty and filling, great for feeding families or during gatherings.

    Ingredients You'll Need

    • Cooked Shredded Chicken – 4 cups. This provides the protein and a flavorful base for the casserole.
    • Spaghetti – 8 ounces. This creates the comforting pasta layer that complements the other ingredients.
    • Green Pepper, diced – ½ cup. Adds a fresh crunch and vibrant color to the dish.
    • Chopped Onion – ¼ cup. This brings aromatic sweetness and depth to the flavor profile.
    • Rotel Tomatoes, mild – 10-ounce can. These tomatoes add a zesty kick and color to the casserole.
    • Cream of Mushroom Soup – 2 cans. This makes the casserole creamy and rich in texture.
    • Chicken Broth – 1½ cups. Adds moisture and enhances the chicken flavor throughout the dish.
    • Sharp Cheddar Cheese, grated – 4 cups. This cheesy goodness adds flavor and a deliciously gooey topping.
    • Garlic, minced – 2 cloves. This enhances the dish with its classic savory aroma.
    • Salt and Black Pepper – to taste. Essential seasonings that bring out all the flavors.
    • Fresh Parsley for Garnish – optional. Adds a pop of color and freshness when serving.

    How to Make Chicken Spaghetti

    Step 1: Preheat the Oven

    Preheat your oven to 350℉. This important step ensures your casserole cooks evenly and thoroughly.

    Step 2: Cook the Spaghetti

    Cook the spaghetti according to the package directions until al dente. Drain the pasta and set it aside for later use.

    Step 3: Mix the Ingredients

    In a large mixing bowl, combine shredded chicken, diced green peppers, chopped onions, Rotel tomatoes, cream of mushroom soup, chicken broth, 1 ½ cups of grated sharp cheddar cheese, minced garlic, salt, and pepper. Make sure everything is mixed well so the flavors combine nicely.

    Step 4: Combine with Spaghetti

    Add the cooked spaghetti to the chicken mixture. Toss everything gently until the spaghetti is well coated with the creamy sauce and mixed with the other ingredients.

    Step 5: Transfer and Bake

    Transfer the mixture to a greased 9×13-inch baking dish. Sprinkle the remaining shredded cheddar cheese evenly over the top. Bake in the preheated oven for 25-30 minutes until the cheese is melted and bubbly.

    Step 6: Cool and Serve

    Once baked, let the casserole cool for a few minutes before serving. This helps the layers set a bit and makes it easier to serve. Enjoy this warm comfort food!

    Chicken Spaghetti Casserole

    Pro Tips from My Kitchen

    ✓ Cooking Spaghetti – Cook the spaghetti just until al dente to prevent it from becoming mushy during baking. Remember, it will continue cooking in the oven.

    ✓ Customize the Chicken – If you have leftover rotisserie chicken, it works perfectly in this dish. Just shred it and mix it in for a quicker prep.

    ✓ Check the Cheese – Don’t skimp on the cheese. The generous amount of cheese on top adds flavor and a delightful golden crust.

    ✓ Flavor Boost – For more flavor, consider adding a dash of hot sauce or chili flakes to the mixture. This gives the casserole a nice kick that many enjoy.

    ✓ Storage Tips – If you have leftovers, store them in an airtight container in the fridge for up to three days. Reheat in the oven or microwave until warmed through.

    Serving Ideas and Variations

    • Pair this casserole with a simple green salad for a refreshing side that balances the richness of the dish.
    • For extra crunch, top the casserole with crushed crackers or breadcrumbs before baking for added texture.
    • You can make this casserole ahead of time. Just assemble it, cover, and store in the fridge. Bake it when you’re ready to serve.
    • If you prefer a little heat, try using a can of spicy Rotel tomatoes or adding jalapeños to the chicken mixture.

    Frequently Asked Questions About Chicken Spaghetti

    Can I use a different type of pasta?

    Yes, you can swap spaghetti for other pasta types, like penne or fusilli. Just be sure to adjust the cooking time as needed so they don’t become mushy.

    How can I ensure the casserole is not dry?

    Ensure you have enough liquid in the mixture by including the chicken broth and cream of mushroom soup. If it seems dry, you can add a bit more broth before baking. Checking for a creamy consistency is key.

    Can I make this casserole ahead of time?

    Absolutely! You can prepare the casserole, cover it tightly, and refrigerate it for up to 24 hours before baking. Just increase baking time slightly if it goes in the oven cold.

    What if the cheese is not melting properly?

    If your cheese is not melting well, make sure your oven is at the right temperature and that it hasn’t been overcooked. You can also try covering the dish loosely with aluminum foil for the first half of the baking time.

    What do you recommend serving with this casserole?

    This Chicken Spaghetti Casserole pairs well with garlic bread or steamed vegetables for a complete meal. You can also serve slices of fresh bread to soak up the creamy sauce.

    Chicken Spaghetti Recipe

    Author: Evelyn Petrie
    A comforting and easy-to-prepare Chicken Spaghetti Casserole packed with flavor, making it a family favorite for gatherings and weeknight dinners.
    No ratings yet
    Print Recipe Save Recipe
    Prep Time 15 minutes mins
    Cook Time 30 minutes mins
    Total Time 45 minutes mins
    Course Dinner
    Cuisine American
    Servings 8 servings
    Calories 450 kcal

    Ingredients
      

    • 4 cups Cooked Shredded Chicken
    • 8 ounces Spaghetti
    • ½ cup Green Pepper, diced
    • ¼ cup Chopped Onion
    • 10 ounces Rotel Tomatoes, mild
    • 2 cans Cream of Mushroom Soup
    • 1½ cups Chicken Broth
    • 4 cups Sharp Cheddar Cheese, grated
    • 2 cloves Garlic, minced
    • to taste Salt and Black Pepper
    • optional Fresh Parsley for Garnish

    Instructions
     

    • Preheat your oven to 350℉.
    • Cook the spaghetti according to the package directions until al dente. Drain and set aside.
    • In a large mixing bowl, combine shredded chicken, diced green peppers, chopped onions, Rotel tomatoes, cream of mushroom soup, chicken broth, 1½ cups of grated sharp cheddar cheese, minced garlic, salt, and pepper. Mix thoroughly.
    • Add the cooked spaghetti to the chicken mixture and toss gently until well coated.
    • Transfer the mixture to a greased 9×13-inch baking dish and sprinkle the remaining cheddar cheese over the top.
    • Bake in the preheated oven for 25-30 minutes until the cheese is melted and bubbly.
    • Let the casserole cool for a few minutes before serving.

    Notes

    • For more flavor, consider adding a dash of hot sauce or chili flakes.
    • Leftovers can be stored in an airtight container for up to three days.
    • Reheat in the oven or microwave.

    Nutrition

    Calories: 450kcalCarbohydrates: 50gProtein: 30gFat: 20gSaturated Fat: 10gSodium: 700mgFiber: 2gSugar: 3g
    Keyword Chicken Spaghetti Casserole
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    Hello & Welcome!

    I’m Evelyn, a home cook sharing simple, tested recipes for real kitchens. From wholesome dinners to cozy favorites, I’m here to make cooking easy and full of flavor.

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