Creamy, cheesy, and wonderfully comforting, this Cheesy Chicken Alfredo Dump-and-Bake Pasta is an easy dinner that brings together everything you love about a classic Alfredo pasta without the extra work. Made with penne, cooked diced chicken, Alfredo sauce, chicken broth, and shredded mozzarella, this dish delivers a rich, satisfying meal with minimal preparation and very little cleanup.

The beauty of this dump-and-bake pasta is its simplicity. Instead of boiling the pasta separately and preparing multiple pans, you combine the ingredients in one baking dish and let the oven do the work. As the pasta cooks, it absorbs the savory chicken broth and creamy Alfredo sauce, while the mozzarella melts into a delicious cheesy topping. It’s a practical option for busy weeknights when you want something warm, filling, and easy to bring to the table.

Why You’ll Love This Recipe

• Minimal preparation: Simply combine the ingredients in a baking dish and let the oven handle the cooking.
• One-dish convenience: No separate pot for boiling pasta means fewer dishes to wash afterward.
• Creamy Alfredo flavor: Jarred Alfredo sauce creates a rich, smooth base that coats the penne beautifully.
• A satisfying family dinner: Cooked chicken and pasta make this a hearty meal that’s easy to serve.
• Cheesy topping: Shredded mozzarella melts over the pasta, adding a delicious layer of cheesy goodness.
• Easy to customize: You can serve it with your favorite vegetables or a simple side salad to complete the meal.

Preparation and Tools

Before getting started, gather your ingredients and choose a baking dish large enough to hold the pasta, chicken, sauce, and broth without overflowing.

You’ll need:

• A large oven-safe baking dish for combining and baking the ingredients.
• A measuring cup for the chicken broth.
• A measuring cup or kitchen scale for checking the pasta quantity.
• A cutting board and knife if your cooked chicken still needs to be diced.
• A large spoon for mixing the ingredients.
• Aluminum foil to cover the baking dish during baking, if needed for your chosen baking method.

Using cooked chicken makes preparation especially quick. Dice it into bite-sized pieces so it distributes evenly throughout the pasta.

Measure the penne, chicken broth, and Alfredo sauce before assembling the dish. Having everything ready makes the preparation straightforward and helps ensure the ingredients are evenly combined.

Preparation Tips for the Best Chicken Alfredo Pasta

Use Bite-Sized Pieces of Cooked Chicken

The recipe calls for 2 cups of cooked diced chicken. Cut the chicken into relatively uniform pieces so every serving contains a good amount of chicken. If you’re using leftover cooked chicken, remove any bones and dice it before adding it to the baking dish.

Distribute the Pasta Evenly

Spread the 12 ounces of penne throughout the baking dish rather than leaving it in one concentrated area. Even distribution helps the pasta cook more consistently and allows the broth and Alfredo sauce to reach the noodles.

Combine the Sauce and Broth Thoroughly

The combination of 3 cups of chicken broth and 15 ounces of Alfredo sauce provides the liquid base for cooking the uncooked pasta. Stir these ingredients together as evenly as possible so the penne has access to the cooking liquid.

Choose a Suitable Baking Dish

A baking dish that’s too small can make it difficult to distribute the ingredients properly. Use a dish with enough room for the pasta to sit in the sauce without being tightly packed.

Save the Mozzarella for the Topping

The shredded mozzarella is intended to create a cheesy finish. Adding it toward the end of baking helps it melt over the cooked pasta without unnecessarily extending its time in the oven.

Ingredients for Cheesy Chicken Alfredo Dump-and-Bake Pasta

This recipe uses just five ingredients. Each one contributes to the creamy texture, savory flavor, or satisfying consistency of the finished dish.

Penne

You’ll need 12 ounces of penne pasta. Its short tubular shape works well in baked pasta dishes because the sauce can coat the outside and collect inside the pasta. Use regular dried penne as specified in the recipe.

Cooked Diced Chicken

Two cups of cooked, diced chicken provide the protein and make the pasta a more filling dinner. Chicken breast or thigh meat can be used as long as it is already cooked and diced.

Chicken Broth

Three cups of chicken broth provide the liquid needed to cook the uncooked penne in the oven. It also adds savory flavor that complements the Alfredo sauce and chicken.

Alfredo Sauce

One 15-ounce jar of Alfredo sauce creates the creamy foundation of this dish. Its smooth consistency helps coat the pasta and brings the familiar buttery, savory flavor associated with chicken Alfredo.

Shredded Mozzarella

One cup of shredded mozzarella finishes the casserole with a layer of melted cheese. Mozzarella has a mild flavor that pairs naturally with the creamy Alfredo sauce without overpowering the chicken.

How to Make Cheesy Chicken Alfredo Dump-and-Bake Pasta

Step 1: Prepare the Baking Dish and Ingredients

Preheat your oven according to the baking instructions for your chosen preparation method, and lightly prepare a large oven-safe baking dish if needed.

Measure out 12 ounces of penne pasta and add it to the baking dish. Make sure the pasta is spread into an even layer.

Dice your cooked chicken into bite-sized pieces if you haven’t already prepared it. Measure out 2 cups and distribute the chicken evenly over the penne.

Step 2: Add the Alfredo Sauce and Chicken Broth

Pour the 15-ounce jar of Alfredo sauce over the pasta and chicken.

Next, add the 3 cups of chicken broth. Use a large spoon to gently stir everything together, making sure the Alfredo sauce and broth are distributed throughout the dish.

Check that the uncooked penne is well coated and surrounded by the liquid. This is important because the pasta needs sufficient moisture to soften as it bakes.

Step 3: Bake Until the Pasta Is Tender

Place the prepared baking dish in the preheated oven and bake according to the cooking method selected for the recipe.

Allow the penne to cook in the Alfredo and broth mixture until it becomes tender. Since the pasta cooks directly in the baking dish, check its texture before considering the dish finished.

If the pasta is still firm, it needs additional cooking time. The exact time can vary depending on the baking dish, oven, and pasta brand, so use tenderness as your main guide.

Step 4: Add the Mozzarella Cheese

Once the pasta is tender, remove the baking dish from the oven.

Sprinkle the 1 cup of shredded mozzarella evenly over the top. Distribute it from edge to edge so the finished dish has a consistent cheesy layer.

Return the baking dish to the oven as needed to allow the mozzarella to melt.

Step 5: Finish and Serve

Once the mozzarella has melted, carefully remove the baking dish from the oven.

Allow the pasta to rest briefly before serving. This gives the sauce a little time to settle and makes the pasta easier to portion.

Scoop generous servings into bowls or onto plates, making sure each portion includes penne, chicken, creamy Alfredo sauce, and melted mozzarella.

Recipe Notes and Variations

• Use fully cooked chicken: The recipe calls for cooked diced chicken, so prepare it before assembling the casserole.
• Check the pasta texture: Different brands of penne may take slightly different amounts of time to become tender when baked directly in liquid.
• Adjust the consistency naturally: Allowing the finished pasta to rest briefly helps the sauce settle. If it seems thick immediately after baking, give it a little time before serving.
• Serve immediately: The Alfredo sauce is especially creamy when the pasta is freshly prepared and the mozzarella is still melted.
• Keep the ingredients balanced: Preserve the specified quantities of broth, Alfredo sauce, and penne for the intended liquid-to-pasta ratio.

Common Mistakes to Avoid

1. Using Too Little Liquid

The uncooked penne needs enough moisture to soften in the oven. The 3 cups of chicken broth and 15 ounces of Alfredo sauce are important parts of the recipe. Don’t reduce these quantities casually.

2. Forgetting to Stir the Ingredients

Simply pouring the sauce and broth over the pasta without distributing them can leave some noodles less exposed to the cooking liquid. Stir everything together before baking to encourage even cooking.

3. Using Large Chicken Pieces

Large chunks of chicken can make the pasta difficult to portion evenly. Keep the cooked chicken diced into bite-sized pieces so it blends naturally throughout the dish.

4. Adding the Cheese Too Early

Mozzarella is best used as the finishing layer. Adding it after the pasta has become tender helps create a melted topping without interfering with the pasta’s cooking process.

5. Serving Before the Sauce Settles

Freshly baked Alfredo pasta can be quite loose immediately after leaving the oven. Letting it rest briefly helps the sauce settle and makes serving easier.

What to Serve With Cheesy Chicken Alfredo Dump-and-Bake Pasta

This creamy chicken Alfredo pasta is filling on its own, but pairing it with a fresh vegetable or something crisp makes the meal feel more complete. Since the pasta has a rich, cheesy sauce, lighter sides are especially nice.

Here are a few serving ideas:

1. Garlic Bread: Warm garlic bread is perfect for soaking up the extra Alfredo sauce. Its crisp edges and buttery garlic flavor complement the creamy pasta.
2. Caesar Salad: Crisp romaine lettuce, Parmesan cheese, and Caesar dressing provide a refreshing contrast to the warm, cheesy casserole.
3. Roasted Broccoli: Roasted broccoli adds color and a slightly crisp texture. Its savory flavor pairs naturally with chicken and Alfredo sauce.
4. Steamed Green Beans: Simple steamed green beans make an easy vegetable side without competing with the creamy pasta.
5. Garden Salad: A fresh salad with tomatoes, cucumber, and your favorite dressing balances the richness of the dish.

For an easy weeknight dinner, serve the pasta with garlic bread and a simple green salad.

Storage Instructions

Refrigerating Leftovers

Allow leftover chicken Alfredo pasta to cool before transferring it to an airtight container. Refrigerate promptly and store for up to 3–4 days.

The sauce may thicken as it cools because the pasta continues absorbing moisture. This is normal for baked pasta dishes.

Reheating

For individual portions, transfer the pasta to a microwave-safe dish. Add a small splash of chicken broth or milk if the sauce has become too thick. Cover loosely and heat until warmed throughout, stirring halfway through.

For larger portions, place the pasta in an oven-safe dish, cover it with foil, and reheat until heated through. Adding a little liquid can help restore some of the creamy consistency.

Can You Freeze Chicken Alfredo Pasta?

You can freeze leftovers in airtight, freezer-safe containers for approximately 2 months. However, Alfredo-based sauces may change texture slightly after freezing and thawing.

For the best results, divide the pasta into individual portions before freezing. Thaw overnight in the refrigerator and reheat gently, adding a little broth or milk if necessary.

Make-Ahead Tips

This recipe is especially convenient when the cooked chicken is prepared ahead of time. Dice the chicken and refrigerate it in an airtight container until you’re ready to assemble the dish.

For the best pasta texture, assemble and bake the casserole when you’re ready to cook rather than leaving uncooked pasta sitting in the sauce for an extended period.

Estimated Nutrition

The following nutrition information is an estimate based on the five listed ingredients and an assumed yield of 6 servings. Actual values will vary depending on the Alfredo sauce brand, chicken used, and mozzarella.

Estimated Nutrition Per Serving

Approximately 520 kcal

Protein

34 g

Carbohydrates

49 g

Fat

19 g

Fiber

2 g

Estimates only, not laboratory-verified. Actual nutrition depends on ingredient brands and serving sizes.

Frequently Asked Questions

Can I use rotisserie chicken for this recipe?

Yes! Rotisserie chicken is a convenient option because the recipe already calls for cooked diced chicken. Remove the skin and bones, cut the meat into bite-sized pieces, and measure out 2 cups.

Do I need to boil the penne before baking?

No. This is a dump-and-bake recipe, meaning the dried penne goes directly into the baking dish. The chicken broth and Alfredo sauce provide the liquid needed to cook the pasta in the oven.

Can I use a different type of pasta?

Penne is the specified pasta for this recipe. Other short pasta shapes may work, but cooking times and liquid absorption can vary. Check the pasta regularly if making a substitution.

Why is my Alfredo pasta still watery?

The sauce may appear thinner immediately after baking. Let the dish rest briefly before serving so the sauce can settle and thicken. Also, check that the pasta is fully tender before removing the casserole from the oven.

Can I prepare this recipe without chicken?

The chicken is one of the five main ingredients and provides the dish’s hearty texture. You can leave it out if desired, but the finished recipe will have a different consistency and yield.

What kind of Alfredo sauce should I use?

Use one 15-ounce jar of your preferred Alfredo sauce. A traditional creamy Alfredo sauce works well because it provides the rich base that coats the penne and complements the melted mozzarella.

A Simple, Cheesy Dinner Worth Making

Cheesy Chicken Alfredo Dump-and-Bake Pasta is a convenient way to enjoy a comforting pasta dinner without juggling multiple pots and pans. With tender penne, cooked chicken, creamy Alfredo sauce, and melted mozzarella, every serving brings together familiar flavors in one satisfying dish.

Keep this recipe in mind for busy evenings when you want a straightforward dinner that the whole family can enjoy. Pair it with garlic bread or a fresh salad, and you’ll have a delicious meal ready to share.

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