Chicken Alfredo Pasta Bake is a creamy, delicious casserole that sneaks in good-for-you spinach and mushrooms in a dish so delectable you’ll never even notice the “healthy stuff”!

There is no denying that we all want a comforting dish every once in a while and this Chicken Alfredo Pasta bake is the actual definition of comfort food!

There is a creamy and delicious sauce, pasta, cheese, and all of the Italian seasonings that will have this hearty casserole take your tastebuds to the streets of Little Italy.

This chicken Alfredo Pasta Bake is simple and easy enough to enjoy any day of the week. Yet, it’s also elegant and special enough to make when hosting guests or for special occasions!

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If you want something that is guaranteed to be eaten and enjoyed by the whole family (especially the kiddos!), this pasta casserole dish is the one to try. So if you are looking for a tasty midweek treat the whole family will enjoy, try this chicken Alfredo Pasta bake. 

Ingredients Needed For This Chicken Alfredo Pasta Bake Recipe

• Chicken breast – in this recipe I used rotisserie chicken, but you could use leftovers or cook the chicken (and shred it) ahead of making this recipe. 
• Bowtie pasta – or your favorite pasta style. You need this to be cooked & drained.
• Alfredo sauce – Everyone has a favorite that they will choose time and time again.
• Italian blend cheese and Parmesan cheese – This needs to be shredded and divided.
• Fresh spinach – Prepare the spinach by washing it and then cut into thin strips. Frozen spinach won’t work for this recipe.
• Mushrooms – chop up some fresh mushrooms. You could use canned button mushrooms if you’re in a pinch.
• Seasonings – add that last additional touch with seasonings such as Italian seasoning, garlic, and salt and pepper.

Note: for a more complete list of ingredients (including amounts), please refer to the handy printable recipe card at the bottom of this post!

How To Make Baked Chicken Alfredo Pasta

Just follow these simple instructions, and you’ll have a new family favorite ready in practically no time!

Step 1

To start with, make sure you preheat your oven to 400 degrees.

Step 2

In a large skillet add the butter, mushrooms, dry minced onion, garlic powder, Italian seasoning, and salt and pepper. Saute until the mushrooms are soft. 

Step 3

Next up, stir in the cooked shredded chicken. Cook in the skillet until the chicken has warmed through. 

Step 4

Add in spinach and allow it to wilt.

Step 5

Once all those ingredients have combined, it is time to stir in the alfredo sauce

Step 6

Meanwhile, cook pasta as per package directions. Once the pasta is al dente drain. 

Step 7

Add pasta to the skillet along with Italian cheese and ½ the parmesan cheese. Make sure you stir until well combined.

Step 8

Pour the mixture into a 13×9 dish which has been prepared with nonstick spray.

Step 9

In a small bowl, whisk together the breadcrumbs, the remaining parmesan cheese, a pinch of Italian seasoning, and the olive oil until it becomes crumbly.

Sprinkle evenly over the chicken Alfredo pasta bake mixture.

Step 10

Bake for 20-30 minutes until bubbly and golden brown on top.

Serve and enjoy!

Chicken Alfredo Pasta Bake Recipe Notes And Tips 

You can make this ahead of time. Let it cool and store it in the refrigerator until you need to bake it. Just be mindful that the cooking time may take a little longer because you are bringing the pasta back up to temperature. 

It’s a good idea to prepare all of your ingredients ahead of making this meal if you’re looking for speed and ease when actually bringing the whole dish together on a busy weeknight.

Variations To Try

The alfredo pasta casserole is one of those versatile main dishes that you can add what you want to it. Here are some ideas to try when you want to change things up.

• Make it vegetarian – If you would like to make it vegetarian, add cooked vegetables instead of chicken. This would work well with broccoli, zucchini, or even adding peppers or peas into it.
• Change up the cheese – You could also use different cheese on top if you would like a different flavor. 

Chicken Alfredo Pasta Bake FAQs

Here are some questions I see often from readers and their answers.

What is Alfredo sauce?

Traditionally it was a sauce brought together with just three ingredients: butter, cheese, and pasta water.

However, today there have been variations and we now know alfredo sauce as a thick creamy white sauce that usually has cream and garlic as flavorings.

You can create your own but it can be an easy alternative to use one that you like, straight from the store. 

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Can you make this ahead of time?

Yes! It would be a good idea to get to the stage of baking and then store until needed. Ideally, you won’t want to make this chicken Alfredo pasta bake too far ahead. However, you could definitely make it the night before you need it. 

If you are hoping to up your game with family mealtimes then my ultimate guide to meal planning post will help you get started! 

More Delicious Ideas

If you love this chicken Alfredo pasta bake, you’ll LOVE these other weeknight dinner ideas too!

• Taco Cups with Cilantro Lime Cream Sauce
• Copycat Cheesecake Factory Chicken Bellagio
• The BEST Homemade Crispy Baked Chicken Tenders

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