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Dump and Bake Chicken Alfredo Casserole Recipe

Published: Dec 1, 2025 by Chef Ava · This post may contain affiliate links · Leave a Comment

Jump to Recipe· 4.4 from 8 reviews

If you’re searching for a comforting, crowd-pleasing dinner that practically makes itself, then this Dump and Bake Chicken Alfredo Casserole Recipe is going to be your new best friend in the kitchen. It’s creamy, cheesy, and loaded with tender chicken and fresh broccoli, all coming together in a baked pasta dish that needs no pre-cooking of noodles. This casserole combines convenience and hearty flavor perfectly, making weeknight dinners feel like a special occasion with minimal effort.

Ingredients You'll Need

The image shows a white baking dish divided into four parts filled with different layers of ingredients. The top left section holds uncooked, yellow penne pasta arranged loosely together, showing hollow tubes. The top right section has a smooth, creamy white sauce spread partially over some pasta. The bottom left layer contains fresh, green broccoli florets with a textured surface. The bottom right section features shredded light beige chicken topped with a sprinkle of black pepper. The white baking dish sits on a white marbled surface. Photo taken with an iphone --ar 4:5 --v 7

Every ingredient in this Dump and Bake Chicken Alfredo Casserole Recipe is simple but essential, giving you layers of flavor and the perfect creamy texture. From tender chicken to fresh broccoli and rich Alfredo sauce, each component plays a crucial role in creating a balanced, satisfying dish.

  • 1 box (16 oz) penne pasta: The sturdy shape holds the sauce well and bakes to a delightful al dente.
  • 2 jars (15 oz each) Alfredo sauce: Creamy and rich, this forms the luscious base of the casserole.
  • 3 cups chicken stock or chicken broth: Adds moisture and depth of flavor to cook the pasta right in the dish.
  • 2 cups cooked shredded chicken: Perfectly tender protein that keeps the casserole hearty and filling.
  • 2 cups chopped fresh broccoli: Adds a fresh crunch and vibrant color, balancing the creamy sauce.
  • 1 teaspoon Italian seasoning: Infuses the dish with a fragrant blend of herbs that complement the Alfredo sauce.
  • 1 teaspoon garlic powder: Provides a subtle garlic kick without overwhelming the creamy flavors.
  • 1 teaspoon kosher salt: Enhances all the flavors in the dish gently but effectively.
  • ½ teaspoon black pepper: Adds just the right amount of warmth and spice.
  • 2 cups shredded Italian blend cheese or shredded mozzarella cheese: Melts into a golden, bubbly topping that is pure comfort food magic.

How to Make Dump and Bake Chicken Alfredo Casserole Recipe

Step 1: Preheat and Prepare Your Dish

Start by setting your oven to 425℉ and lightly spraying a 9×13 casserole dish with cooking spray. This ensures nothing sticks and cleanup is a breeze. Proper oven temperature is key so the pasta cooks perfectly in the casserole.

Step 2: Combine the Ingredients

Dump the uncooked penne pasta, Alfredo sauce, chicken stock, shredded chicken, chopped broccoli, Italian seasoning, garlic powder, kosher salt, and black pepper directly into the prepared casserole dish. Stir everything gently until it’s evenly mixed. This is where the “dump” part comes in—no noodle boiling required at all!

Step 3: Cover and Bake

Seal the casserole dish tightly with tin foil to trap steam and help cook the pasta evenly. Bake for 35 to 45 minutes, depending on how tender you like your pasta. Midway through baking, take the casserole out, remove the foil, give it a good stir to prevent sticking and ensure even cooking, then cover it back up and return it to the oven.

Step 4: Add Cheese and Broil

When the pasta is just right, take the casserole from the oven and evenly sprinkle the shredded cheese over the top. Slide it under the broiler for just a few minutes until the cheese melts and turns that irresistible golden brown. Watch closely because this step can make or break the perfect cheesy crust.

Step 5: Rest and Serve

Allow the casserole to sit for about 5 minutes before serving. This short resting period helps everything set up beautifully so your scoops hold together and each bite delivers creamy, cheesy goodness without being too runny.

How to Serve Dump and Bake Chicken Alfredo Casserole Recipe

The image shows a white ceramic baking dish filled with a creamy pasta bake. The bottom layer consists of cooked short tube pasta mixed with small pieces of green broccoli florets and shredded white chicken. The pasta and chicken mixture is evenly spread out. On top, there is a thick layer of melted white cheese that covers the pasta and broccoli, with some cheese strands stretching over the edges of the dish. The baking dish sits on a white marbled surface with a bit of fresh green herbs peeking from the side. The lighting highlights the smooth, creamy cheese texture and the soft pasta beneath it. photo taken with an iphone --ar 4:5 --v 7

Garnishes

Fresh herbs like chopped parsley or basil sprinkle a pop of color and freshness on top, balancing the rich sauce wonderfully. A light dusting of grated Parmesan adds an extra cheesy spark, and a few cracks of fresh black pepper give just the right finishing touch.

Side Dishes

This casserole is hearty enough to be a complete meal but pairs beautifully with crisp, simple sides. A fresh green salad with a tangy vinaigrette or roasted veggies provide needed contrast. Garlic bread or a warm crusty roll is perfect for mopping up any leftover sauce.

Creative Ways to Present

For casual dinners, serve it straight from the casserole dish with an oversized spoon for easy family-style sharing. If you want to impress guests, portion the casserole into individual ramekins and sprinkle with extra cheese and herbs before serving for a polished look that feels special but still approachable.

Make Ahead and Storage

Storing Leftovers

Place leftover Dump and Bake Chicken Alfredo Casserole in an airtight container and refrigerate for up to 4 days. It holds up well, and flavors even mingle more overnight, making your next meal just as tasty.

Freezing

You can freeze this casserole either before or after baking. For best results, assemble it in a freezer-safe dish, cover tightly with foil and plastic wrap, and freeze up to 3 months. When ready to enjoy, thaw overnight then bake as usual, adding extra time as needed.

Reheating

Reheat in the oven at 350℉ covered with foil to prevent drying out, baking until warmed through. For quicker reheating, microwave individual portions on medium power in short intervals, stirring occasionally for even heat.

FAQs

Can I use a different type of pasta for this casserole?

Absolutely! While penne is ideal for holding sauce, other pasta shapes like rigatoni or rotini work wonderfully in this Dump and Bake Chicken Alfredo Casserole Recipe too.

Is it possible to make this dish dairy-free?

Yes, just swap the Alfredo sauce for a dairy-free alternative and use dairy-free cheese. You’ll still get that creamy, comforting feel with allergy-friendly ingredients.

Can I use raw chicken instead of a rotisserie chicken?

You can, but it will require more prep time. You’d need to cook and shred the chicken beforehand to ensure it’s fully cooked and tender within the bake time.

What if I want to add more veggies?

Feel free! Mushrooms, bell peppers, or spinach would be wonderful additions and won’t compromise the ease of this Dump and Bake Chicken Alfredo Casserole Recipe.

How can I make this casserole spicier?

Try adding crushed red pepper flakes to the mix or topping with sliced jalapeños before baking for a spicy kick that pairs perfectly with the rich sauce.

Final Thoughts

This Dump and Bake Chicken Alfredo Casserole Recipe is a total game-changer for busy nights when you want a comforting, cheesy dinner without the fuss. It’s simple, satisfying, and endlessly adaptable—perfect to keep in your recipe arsenal for those times when you need dinner done fast without sacrificing deliciousness. Give it a try soon; your family will thank you!

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Dump and Bake Chicken Alfredo Casserole Recipe

Dump and Bake Chicken Alfredo Casserole Recipe

5 Stars 4 Stars 3 Stars 2 Stars 1 Star

4.4 from 8 reviews

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This Dump and Bake Chicken Alfredo Casserole is a quick and easy cheesy comfort food dish perfect for family dinners. Combining penne pasta, creamy Alfredo sauce, shredded chicken, broccoli, and Italian seasoning, it requires no boiling of pasta and minimal prep time. Baked to perfection and topped with melted mozzarella or Italian blend cheese, this casserole offers a deliciously rich and satisfying meal in under an hour.

  • Total Time: 45 minutes
  • Yield: 8 servings

Ingredients

Dry Ingredients

  • 1 box (16 oz) penne pasta
  • 1 teaspoon Italian seasoning
  • 1 teaspoon garlic powder
  • 1 teaspoon kosher salt
  • ½ teaspoon black pepper

Wet Ingredients

  • 2 jars (15 oz each) Alfredo sauce
  • 3 cups chicken stock or chicken broth

Protein and Vegetables

  • 2 cups cooked shredded chicken
  • 2 cups chopped fresh broccoli

Topping

  • 2 cups shredded Italian blend cheese or shredded mozzarella cheese

Instructions

  1. Preheat and Prepare: Preheat your oven to 425℉ (220℃). Lightly spray a 9×13 inch ceramic casserole dish with cooking spray to prevent sticking.
  2. Combine Ingredients: Add the penne pasta, Alfredo sauce, chicken stock, shredded chicken, chopped broccoli, Italian seasoning, garlic powder, kosher salt, and black pepper into the casserole dish. Stir everything well until fully combined and evenly distributed.
  3. Cover and Bake: Cover the casserole dish with aluminum foil and place it in the preheated oven. Bake for 35 to 45 minutes depending on your desired pasta texture—35 minutes for al dente, 45 minutes for softer pasta.
  4. Midway Stir: Halfway through baking, remove the foil and carefully stir the casserole to ensure even cooking. Then re-cover with foil and continue baking.
  5. Add Cheese and Broil: Once baking is finished, take the casserole out and sprinkle the shredded cheese evenly on top. Place it under the oven broiler for a few minutes just until the cheese melts and becomes lightly golden brown. Watch closely to avoid burning.
  6. Rest and Serve: Allow the casserole to set for about 5 minutes before serving to let it firm up slightly. Serve warm and enjoy your comforting chicken Alfredo casserole.

Notes

  • No need to pre-cook pasta; the liquid ingredients cook it in the oven.
  • Using a rotisserie chicken saves time and adds flavor, but you can substitute with any cooked shredded chicken.
  • Substitute broccoli with other vegetables like spinach or mushrooms if preferred.
  • For a lower fat option, use a light Alfredo sauce and reduced-fat cheese.
  • Covering the casserole during baking prevents the dish from drying out.
  • Watch closely during broiling as cheese can burn quickly.
  • Author: admin
  • Prep Time: 5 minutes
  • Cook Time: 40 minutes
  • Category: Casserole, Dinner
  • Method: Baking
  • Cuisine: American

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