A freshly baked Chicken Alfredo Casserole in a glass baking dish, featuring a golden, bubbly cheese topping.

Quick Chicken Alfredo Casserole: 1 Comfort Dish

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August 25, 2025

Oh, weeknights! They can be such a whirlwind, can’t they? Between work, school, and just life in general, sometimes getting a wholesome, comforting meal on the table feels like a Herculean task. That’s exactly why I created this Chicken Alfredo Casserole. It’s like a warm hug in a dish, and honestly, it’s become my go-to for those evenings when I need something *really* satisfying without spending hours in the kitchen. Think of it as approachable elegance, just like Catherine talks about over at Unfold Recipes! It’s creamy, dreamy, loaded with flavor, and using a rotisserie chicken makes it a total lifesaver. Plus, you can totally toss in whatever veggies you have hanging around. It’s perfect for feeding the family or even for taking to a friend who needs a little culinary comfort.

Why You’ll Love This Chicken Alfredo Casserole

You’re going to adore this Chicken Alfredo Casserole for so many reasons:

  • It’s ridiculously easy: Seriously, the rotisserie chicken shortcut makes this a breeze. Prep is minimal, and dinner is on the table fast!
  • Pure comfort food: That creamy Alfredo sauce, tender pasta, and savory chicken? It’s like a warm hug that makes any night feel special.
  • Versatile and adaptable: Toss in your favorite veggies or skip them if you prefer. It’s super forgiving!
  • Perfect for crowds: Whether it’s a family dinner or you’re bringing a dish to a friend (meal trains, anyone?), this casserole is always a hit.

Gather Your Ingredients for the Perfect Chicken Alfredo Casserole

Alright, let’s get our goodies together for this amazing Chicken Alfredo Casserole! It really is all about the simple, quality ingredients that make this dish sing. You’ll need:

  • 1 pound pasta – penne, fettuccine, or rotini are all fantastic choices!
  • 1 tablespoon olive oil
  • 1 pound cooked and shredded boneless, skinless chicken (rotisserie chicken is my secret weapon here, so easy!)
  • 1 cup chopped broccoli florets (if that’s your jam!)
  • 1 cup chopped bell peppers (any color works!)
  • 1 cup sliced mushrooms (for that earthy flavor)
  • 1 (16 ounce) jar of your favorite Alfredo sauce
  • 1 cup shredded mozzarella cheese (for that lovely melt!)
  • 1/2 cup grated Parmesan cheese
  • Salt and black pepper, just to taste

Step-by-Step Guide to Making Your Chicken Alfredo Casserole

Alright, let’s get this amazing dish assembled! Baking up this Chicken Alfredo Casserole is super straightforward, and honestly, the little steps make all the difference for a perfect, creamy result. Don’t worry, it’s really as easy as it sounds!

Preparing the Pasta and Chicken for Your Chicken Alfredo Casserole

First things first, let’s get that oven nice and toasty to 375°F (190°C). While it’s heating up, get your pasta cooking. Boil it just until it’s ‘al dente’ – you know, with a little bite left to it. Nobody likes mushy pasta! Drain it really well once it’s done. Now, for the chicken and veggies! If you’re adding them, toss the chicken and your chosen veggies (like broccoli, peppers, or mushrooms) into a skillet with a little olive oil. Sauté them for a few minutes until the veggies are nice and tender-crisp. That rotisserie chicken we’re using is already cooked, so it just needs a quick warm-up alongside.

Assembling and Baking the Creamy Pasta Bake

Now for the fun part – bringing it all together! Grab a big bowl and dump in your perfectly cooked pasta, your warm chicken and veggies, that jar of creamy Alfredo sauce, the shredded mozzarella, and the grated Parmesan. Give it a good stir to make sure everything is coated beautifully in that decadent sauce. Season it with salt and pepper if you think it needs it – I usually do! Then, just pour this glorious mixture into your 9×13 inch baking dish. Pop it into the preheated oven and let it bake for about 20-25 minutes. You’ll know it’s ready when it’s all heated through and that cheese on top is melted, gooey, and bubbly. Mmm, that’s the good stuff! My family always loves when this Chicken Alfredo Casserole is on the menu.

Tips for the Best Chicken Alfredo Casserole

When I make this Chicken Alfredo Casserole, a few little things really help make it extra special. Remember Catherine’s idea of approachable elegance? That’s totally what we’re going for here! Make sure your pasta is cooked just right – al dente is key so it doesn’t get mushy in the oven. And using good quality chicken and a decent jarred Alfredo sauce really makes a difference in the final flavor.

Make-Ahead and Freezer-Friendly Chicken Alfredo Casserole

The beauty of this casserole is how well it plays with your schedule! You can totally assemble the whole thing, cover it up, and pop it in the fridge for up to 24 hours before you need to bake it. Just a heads-up, it might need an extra 5-10 minutes in the oven since it’ll be starting chilled. And guess what? It freezes like a dream! Once it’s cooled, cover it tightly and freeze it for up to 3 months. Just thaw it overnight in the fridge, and then bake it like usual. Perfect for those times you want a delicious meal ready to go!

Variations for Your Chicken Alfredo Casserole

Don’t be afraid to make this Chicken Alfredo Casserole your own! I love sneaking in a handful of fresh spinach right at the end with the cheese; it wilts down perfectly. Peas or chopped zucchini are also fantastic additions if you have them on hand. And if you’re not a fan of penne, feel free to swap it out for rotini, fettuccine, or even shell pasta. You really can’t go wrong!

Serving and Storing Your Delicious Chicken Alfredo Casserole

This Chicken Alfredo Casserole is so comforting and delicious served piping hot right out of the oven. It’s fantastic with a simple side salad or some crusty garlic bread to sop up any extra sauce. Leftovers? Oh yes, they’re just as good! Just pop any extra into an airtight container in the fridge for up to three days. Reheat gently in the microwave or back in a low oven until warmed through. Honestly, it’s such a perfect meal prep dream!

Frequently Asked Questions about Chicken Alfredo Casserole

Got questions about whipping up this amazing Chicken Alfredo Casserole? I’ve got you covered! It’s pretty flexible, so let’s go over a few things:

Can I use fresh chicken instead of rotisserie chicken?

Absolutely! If you don’t have rotisserie chicken on hand, just use about 1 pound of boneless, skinless chicken breasts or thighs. You can boil them until cooked through, then shred them, or dice them and pan-fry them before adding them to the casserole. It just takes a few extra minutes, but it’s totally doable!

What kind of pasta is best for this casserole?

Honestly, I love using penne because it holds the sauce so well, but fettuccine or rotini are also fantastic choices. Really, any short pasta shape that can catch all that creamy goodness will work wonders in this creamy pasta bake.

Can I make this a vegetarian dish?

You sure can! Just skip the chicken altogether. You can boost the veggie power by adding extra broccoli, mushrooms, bell peppers, zucchini, or even some spinach. It’s still going to be a super hearty and satisfying meal.

Can I add more cheese?

Is there such a thing as too much cheese? 😉 You can definitely add more mozzarella or Parmesan if you like it extra cheesy. Some people even like to stir in a bit of cream cheese for an even richer sauce. Go for it!

This recipe is just so perfect for weeknight comfort food, and with these little tweaks, it can be exactly what you’re craving!

Nutritional Estimate for Chicken Alfredo Casserole

Just a heads-up, this is an estimate per serving of our delicious Chicken Alfredo Casserole:

Calories: 550

Sugar: 5g

Sodium: 800mg

Fat: 30g

Saturated Fat: 15g

Unsaturated Fat: 15g

Trans Fat: 0g

Carbohydrates: 45g

Fiber: 3g

Protein: 30g

Cholesterol: 100mg

Share Your Chicken Alfredo Casserole Creations

I absolutely love hearing from you all! Did you make this Chicken Alfredo Casserole for your family? Did it become a hit for a meal train? I’d be so thrilled if you let me know how it turned out in the comments below. And if you’re feeling inspired, snap a pic and tag me on social media – I can’t wait to see your delicious creations!

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Chicken Alfredo Casserole

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A creamy and comforting baked pasta dish with chicken, perfect for weeknight dinners or meal trains. This casserole uses rotisserie chicken for a quick shortcut and can be customized with your favorite vegetables. It’s also freezer-friendly.

  • Author: Cat
  • Prep Time: 15 min
  • Cook Time: 25 min
  • Total Time: 40 min
  • Yield: 6 servings 1x
  • Category: Dinner
  • Method: Baking
  • Cuisine: American
  • Diet: Vegetarian

Ingredients

Scale
  • 1 pound pasta (penne, fettuccine, or rotini)
  • 1 tablespoon olive oil
  • 1 pound boneless, skinless chicken breasts or thighs, cooked and shredded (rotisserie chicken works well)
  • 1 cup chopped broccoli florets (optional)
  • 1 cup chopped bell peppers (optional)
  • 1 cup sliced mushrooms (optional)
  • 1 (16 ounce) jar Alfredo sauce
  • 1 cup shredded mozzarella cheese
  • 1/2 cup grated Parmesan cheese
  • Salt and black pepper to taste

Instructions

  1. Preheat your oven to 375°F (190°C). Cook pasta according to package directions until al dente. Drain well.
  2. While the pasta cooks, heat olive oil in a large skillet over medium heat. Add chicken and any desired vegetables (broccoli, bell peppers, mushrooms) and cook until vegetables are tender-crisp.
  3. In a large bowl, combine the cooked pasta, shredded chicken, cooked vegetables, Alfredo sauce, mozzarella cheese, and Parmesan cheese. Season with salt and pepper to taste.
  4. Pour the mixture into a 9×13 inch baking dish.
  5. Bake for 20-25 minutes, or until the casserole is heated through and the cheese is melted and bubbly.
  6. Let stand for a few minutes before serving.

Notes

  • For a make-ahead option, assemble the casserole, cover, and refrigerate for up to 24 hours before baking. You may need to add a few extra minutes to the baking time.
  • This casserole freezes well. Cool completely, cover tightly, and freeze for up to 3 months. Thaw overnight in the refrigerator and bake as directed.
  • Feel free to add other vegetables like spinach, peas, or zucchini.
  • Consider this a great option for meal planning.

Nutrition

  • Serving Size: 1 serving
  • Calories: 550
  • Sugar: 5g
  • Sodium: 800mg
  • Fat: 30g
  • Saturated Fat: 15g
  • Unsaturated Fat: 15g
  • Trans Fat: 0g
  • Carbohydrates: 45g
  • Fiber: 3g
  • Protein: 30g
  • Cholesterol: 100mg

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Catherine Valdès is the creator, recipe developer, and food photographer behind Unfold Recipes. With a rich heritage blending Spanish traditions and Californian sensibilities, she believes that every meal has a story. After leaving a successful career in public relations to pursue her passion, Catherine honed her skills in a professional culinary arts program. Her focus is on creating approachable yet elegant recipes that inspire confidence in the kitchen. She combines her expertise in recipe development with a love for wine pairing and effortless entertaining, showing her audience how to create beautiful, delicious meals to share with loved ones.

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