There’s something truly comforting about a creamy, cheesy pasta bake, and this Rotisserie Chicken Alfredo Casserole is the ultimate indulgence. It’s the perfect combination of tender pasta, rich Alfredo sauce, juicy rotisserie chicken, and melted cheese, all baked to golden perfection. Whether you need a quick weeknight meal or a dish to impress at a gathering, this casserole delivers in both flavor and ease.

I love using rotisserie chicken for this recipe because it saves time without sacrificing taste. The savory, seasoned chicken pairs beautifully with the creamy Alfredo sauce, creating a dish that tastes like it came from a high-end Italian restaurant. Plus, the gooey, melted cheese topping? Absolutely irresistible. If you’re a fan of comfort food, this is one you’ll want to make again and again!
Why You’ll Love This Rotisserie Chicken Alfredo Casserole
- Quick and Easy – Using rotisserie chicken cuts down on prep time, making this dish come together effortlessly.
- Rich and Creamy – Alfredo sauce combined with gooey melted cheese makes every bite luxurious.
- Crowd-Pleasing – Perfect for potlucks, family dinners, or meal prep for the week.
- Customizable – Swap ingredients to suit your taste or dietary needs.
- Make-Ahead Friendly – Assemble it in advance and pop it in the oven when ready.
What Kind of Pasta Works Best for This Casserole?
When making Rotisserie Chicken Alfredo Casserole, choosing the right pasta is key to getting the perfect texture. Short pasta shapes like penne, rigatoni, or ziti work best because they hold onto the creamy Alfredo sauce and mix well with the shredded chicken. These pasta types have enough surface area and ridges to trap all that cheesy goodness, making every bite satisfying. If you prefer a different pasta, rotini or fusilli can also be great alternatives since their spirals help catch the sauce.
Avoid using delicate pastas like angel hair or spaghetti, as they can become too soft and won’t hold up as well in a baked casserole. If you’re looking for a gluten-free option, simply swap regular pasta for your favorite gluten-free variety—just be sure to cook it slightly under al dente to prevent it from getting mushy in the oven.
Options for Substitutions
If you need to make adjustments based on dietary needs or preferences, here are some simple substitutions:
- Pasta – Use gluten-free pasta, whole wheat pasta, or even cauliflower pasta for a low-carb alternative.
- Alfredo Sauce – Store-bought Alfredo sauce works well, but you can make a homemade version using butter, garlic, heavy cream, and Parmesan. If you need a lighter option, try a Greek yogurt-based Alfredo sauce.
- Cheese – Mozzarella is the go-to for that stretchy cheese pull, but provolone, Monterey Jack, or a sharp white cheddar can add a unique twist.
- Chicken – Rotisserie chicken is convenient, but grilled or leftover shredded chicken works just as well. For a different protein, try turkey or even cooked Italian sausage.
- Vegetables – Add spinach, mushrooms, or roasted bell peppers for extra nutrients and flavor.
- Seasoning – If you want a little heat, sprinkle in some red pepper flakes or Cajun seasoning to spice things up.
These swaps make it easy to personalize the dish while keeping it deliciously creamy and comforting.
Ingredients for This Rotisserie Chicken Alfredo Casserole
Each ingredient in this casserole plays an important role in making it rich, creamy, and flavorful. Here’s what you’ll need:
- Pasta – Penne, rigatoni, or ziti are ideal choices as they hold onto the Alfredo sauce and stay firm when baked.
- Rotisserie Chicken – Shredded rotisserie chicken makes this recipe quick and easy while adding a seasoned, juicy protein.
- Alfredo Sauce – A creamy, garlicky sauce that coats the pasta perfectly. You can use store-bought or homemade for a fresher taste.
- Mozzarella Cheese – Melts beautifully to give that irresistible gooey cheese pull.
- Parmesan Cheese – Adds a salty, nutty depth of flavor to the Alfredo sauce and the baked topping.
- Heavy Cream – Enhances the richness of the sauce, making it extra creamy.
- Butter & Garlic – A key flavor base that gives the Alfredo sauce its signature taste.
- Italian Seasoning – A blend of herbs like oregano, basil, and thyme that adds a hint of Italian flair.
- Salt & Black Pepper – Essential for seasoning and bringing out the flavors of the dish.
- Fresh Parsley – Used as a garnish to add a pop of color and freshness.
With these ingredients, you’ll create a dish that’s creamy, cheesy, and packed with comforting flavors.

Step 1: Cook the Pasta
Bring a large pot of salted water to a boil and cook the pasta until it’s just shy of al dente (about 1-2 minutes less than the package instructions). Since the pasta will continue cooking in the oven, slightly undercooking it prevents it from becoming mushy. Drain the pasta and set it aside.
Step 2: Prepare the Alfredo Sauce
If using store-bought Alfredo sauce, simply warm it up in a saucepan. If making homemade sauce, melt butter in a large pan over medium heat. Add minced garlic and cook until fragrant. Pour in heavy cream, stirring continuously, then add Parmesan cheese and Italian seasoning. Stir until smooth and creamy, then season with salt and black pepper to taste.
Step 3: Mix the Pasta and Chicken
In a large mixing bowl, combine the cooked pasta, shredded rotisserie chicken, and Alfredo sauce. Toss everything together so that the pasta is fully coated in the creamy sauce.
Step 4: Assemble the Casserole
Preheat your oven to 375°F (190°C). Grease a 9×13-inch baking dish and pour the pasta mixture into the dish, spreading it out evenly. Sprinkle mozzarella cheese and Parmesan cheese generously over the top for that deliciously golden, bubbly finish.
Step 5: Bake Until Golden and Bubbly
Cover the casserole dish with foil and bake for 20 minutes. Then, remove the foil and continue baking for another 10-15 minutes, or until the cheese is melted, bubbly, and slightly golden brown on top.
Step 6: Garnish and Serve
Once baked, let the casserole rest for a few minutes before serving. Sprinkle freshly chopped parsley on top for a pop of color and added freshness. Serve warm and enjoy every creamy, cheesy bite!
How Long to Cook the Rotisserie Chicken Alfredo Casserole
This casserole doesn’t require a long cooking time since the ingredients are already cooked. Here’s a simple breakdown:
- Bake covered at 375°F (190°C) for 20 minutes to heat everything through.
- Bake uncovered for another 10-15 minutes until the cheese is melted, bubbly, and golden brown.
Let the casserole rest for 5 minutes before serving to allow the sauce to settle and thicken slightly.
Tips for Perfect Rotisserie Chicken Alfredo Casserole
- Undercook the pasta slightly – Since the pasta will continue cooking in the oven, boiling it 1-2 minutes less than al dente helps maintain a firm texture.
- Use high-quality cheese – Freshly grated mozzarella and Parmesan melt better than pre-shredded cheese, which can have added fillers.
- Balance the sauce – If the Alfredo sauce is too thick, add a splash of milk or chicken broth to loosen it up.
- Season to taste – Rotisserie chicken already has seasoning, but a pinch of extra salt, pepper, or red pepper flakes can enhance the flavors.
- Broil for extra crispiness – If you want an even more golden, crispy cheese topping, broil the casserole for the last 2-3 minutes of baking.
- Let it rest before serving – Allowing the casserole to sit for a few minutes helps the sauce thicken and prevents it from running when served.
Follow these simple tips, and you’ll get a rich, creamy, and perfectly baked Alfredo casserole every time!
Watch Out for These Mistakes While Cooking
Even with a simple recipe like Rotisserie Chicken Alfredo Casserole, a few common mistakes can affect the final dish. Here’s what to avoid:
- Overcooking the pasta – Pasta continues to cook in the oven, so slightly undercooking it before baking prevents it from turning mushy.
- Using too little sauce – The pasta absorbs liquid as it bakes, so using plenty of Alfredo sauce ensures the casserole stays creamy and not dry.
- Skipping the seasoning – Alfredo sauce and cheese can be rich, but a little salt, black pepper, or garlic powder enhances the overall flavor.
- Not covering while baking – Covering the casserole for the first part of baking keeps it from drying out. Removing the cover at the end gives you that golden, bubbly cheese topping.
- Using pre-shredded cheese – Freshly grated cheese melts better and creates a smoother, creamier texture.
- Forgetting to let it rest – Letting the casserole sit for a few minutes after baking allows the sauce to thicken and settle, making it easier to serve.
Avoid these pitfalls, and your casserole will turn out perfect every time!
What to Serve With Rotisserie Chicken Alfredo Casserole
This creamy, cheesy casserole pairs well with a variety of sides. Here are eight great options:
1. Garlic Bread
A warm, crispy slice of garlic bread is perfect for soaking up any leftover Alfredo sauce.
2. Caesar Salad
A fresh Caesar salad with crunchy romaine, Parmesan, and creamy dressing balances out the richness of the casserole.
3. Roasted Vegetables
Oven-roasted broccoli, asparagus, or zucchini add color and nutrients while complementing the creamy pasta.
4. Steamed Green Beans
A simple side of steamed green beans with a sprinkle of sea salt adds a nice, fresh contrast to the dish.
5. Bruschetta
A light and tangy tomato bruschetta can cut through the richness of the Alfredo sauce, adding a fresh element to your meal.
6. Sauteed Spinach
Quickly sautéed spinach with garlic and olive oil is an easy, flavorful, and healthy side dish.
7. Fresh Fruit Salad
A bowl of mixed berries, grapes, and citrus fruits provides a refreshing contrast to the creamy casserole.
8. Antipasto Platter
A platter of olives, cheeses, cured meats, and marinated veggies makes a great starter to go with this Italian-inspired meal.
Pairing the casserole with any of these sides makes for a well-rounded and satisfying meal!
Storage Instructions
If you have leftovers (which isn’t always guaranteed with this delicious casserole!), here’s how to store and reheat them properly:
- Refrigerator: Store the casserole in an airtight container or cover the baking dish with plastic wrap. It will stay fresh for 3-4 days in the fridge.
- Freezer: For longer storage, freeze the casserole in an airtight container for up to 3 months. If freezing a whole casserole, wrap it tightly in plastic wrap and then aluminum foil to prevent freezer burn.
- Reheating:
- Oven: Cover the casserole with foil and bake at 350°F (175°C) for 20-25 minutes until warmed through.
- Microwave: Heat individual portions in a microwave-safe dish in 30-second intervals, stirring between each, until warm.
- From Frozen: If baking from frozen, cover with foil and bake at 350°F (175°C) for 45-50 minutes, or until heated through. Let it thaw in the fridge overnight for quicker reheating.
Adding a splash of milk or extra Alfredo sauce before reheating helps keep the casserole creamy.
Estimated Nutrition
Here’s a general breakdown of the estimated nutrition per serving (based on 6 servings):
- Calories: ~550-650 kcal
- Protein: ~35g
- Carbohydrates: ~45g
- Fat: ~30g
- Saturated Fat: ~15g
- Fiber: ~3g
- Sugar: ~4g
- Sodium: ~800mg
These numbers may vary depending on specific ingredients and portion sizes. If you’re looking for a lighter version, you can use low-fat cheese, a lighter Alfredo sauce, or whole wheat pasta to adjust the nutritional content.
Frequently Asked Questions
1. Can I make this casserole ahead of time?
Yes! Assemble the casserole, cover it tightly, and store it in the refrigerator for up to 24 hours before baking. When ready, bake as directed, adding a few extra minutes since it will be cold from the fridge.
2. Can I use homemade Alfredo sauce instead of store-bought?
Absolutely! Homemade Alfredo sauce made with butter, garlic, heavy cream, and Parmesan gives the casserole a richer, fresher flavor.
3. What’s the best pasta for this recipe?
Short pasta like penne, rigatoni, or ziti works best because it holds onto the sauce and keeps its texture when baked.
4. How do I prevent the casserole from drying out?
Make sure to use enough sauce, cover the casserole while baking, and don’t overcook the pasta before assembling. Adding a splash of milk or extra Alfredo sauce before reheating also helps.
5. Can I add vegetables to this casserole?
Yes! Spinach, mushrooms, bell peppers, or broccoli are great additions. Just sauté them first so they don’t release too much water into the casserole.
6. What other cheeses can I use?
Mozzarella is classic, but you can mix in provolone, Monterey Jack, white cheddar, or even Gouda for extra flavor.
7. Can I make this casserole gluten-free?
Yes! Use gluten-free pasta and ensure your Alfredo sauce is gluten-free. The rest of the ingredients should be naturally gluten-free.
8. Can I freeze this casserole before baking?
Yes! Assemble the casserole, wrap it tightly, and freeze for up to 3 months. When ready to bake, thaw overnight in the fridge and bake as usual.
Conclusion
This Rotisserie Chicken Alfredo Casserole is a must-try for any comfort food lover! It’s creamy, cheesy, and packed with flavor, making it perfect for an easy weeknight dinner or a crowd-pleasing meal. If you love this recipe, save it to Pinterest and share it with friends and family so they can enjoy it too. Happy cooking!

Creamy Rotisserie Chicken Alfredo Casserole
- Total Time: 45 minutes
- Yield: 6 servings
Description
A rich and creamy pasta bake featuring tender rotisserie chicken, al dente pasta, and a luscious Alfredo sauce, topped with melted mozzarella and Parmesan. This easy, comforting dish is perfect for family dinners, potlucks, or meal prep, delivering cheesy goodness in every bite!
Ingredients
- 12 oz penne pasta
- 2 cups shredded rotisserie chicken
- 2 cups Alfredo sauce (store-bought or homemade)
- 1 cup shredded mozzarella cheese
- 1/2 cup grated Parmesan cheese
- 1/2 cup heavy cream
- 2 tbsp butter
- 2 cloves garlic, minced
- 1 tsp Italian seasoning
- Salt and black pepper to taste
- 2 tbsp fresh parsley, chopped (for garnish)
Instructions
- Preheat oven to 375°F (190°C) and grease a 9×13-inch baking dish.
- Cook pasta in salted boiling water until just under al dente. Drain and set aside.
- In a saucepan, melt butter over medium heat. Add garlic and sauté until fragrant.
- Stir in Alfredo sauce, heavy cream, Italian seasoning, salt, and pepper. Simmer for 2 minutes.
- In a large mixing bowl, combine pasta, shredded chicken, and sauce. Toss to coat evenly.
- Transfer the mixture to the prepared baking dish and spread evenly.
- Sprinkle mozzarella and Parmesan cheese over the top.
- Cover with foil and bake for 20 minutes.
- Remove foil and bake for another 10-15 minutes until cheese is golden and bubbly.
- Let the casserole rest for 5 minutes before serving. Garnish with fresh parsley.
- Prep Time: 15 minutes
- Cook Time: 30 minutes