Chicken Alfredo Bake

Featured in: Oven & Pan Dishes

This comforting casserole combines tender diced chicken breast with al dente penne pasta in a velvety homemade white sauce. The creamy Alfredo sauce, made with butter, garlic, whole milk, heavy cream, and aged Parmesan, coats every bite perfectly. A generous layer of shredded mozzarella and extra Parmesan creates a golden, bubbling cheese crust that bakes in just 25 minutes.

The dish comes together in under an hour and serves six hungry people. The pasta absorbs some of the sauce during baking, creating incredibly flavorful bites throughout. Leftovers reheat beautifully, and the casserole freezes well for future meals.

Updated on Tue, 13 Jan 2026 13:17:00 GMT
Freshly baked Chicken Alfredo Bake with golden, bubbly mozzarella topping in a 9x13 dish. Pin It
Freshly baked Chicken Alfredo Bake with golden, bubbly mozzarella topping in a 9x13 dish. | savorytirza.com

The kitchen was tiny, just four burners and barely enough counter space for a cutting board, but that didnt stop my roommate and me from attempting our first homemade Alfredo during exam week. We were tired of dining hall food, craving something rich enough to fuel a marathon study session but comforting enough to calm pre-test jitters. The sauce broke the first time, separating into an oily mess we tried desperately to rescue with vigorous whisking and whispered prayers. Half an hour later, we were eating clumpy pasta over borrowed textbooks, convinced it was the best meal wed ever made. That night taught me that even imperfect comfort food has its place in building kitchen confidence.

Last winter, when my sister came home exhausted from her nursing rotation, I made this bake while she napped on the couch. The smell of garlic and butter wafting through the apartment woke her up before I could even call her for dinner. She ate two helpings straight from the baking dish, standing in the kitchen with a fork, declaring it the kind of meal that makes you forget you ever had a bad day. Now its the first thing she asks for when life gets overwhelming, a cheesy pasta hug that somehow fixes everything.

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Ingredients

  • Penne pasta: The ridges hold onto sauce beautifully, and the shape stands up to baking without getting mushy
  • Boneless chicken breast: Dicing it into bite-sized pieces ensures every forkful has protein and it cooks quickly
  • Unsalted butter: Starting with unsalted butter lets you control the seasoning, especially since Parmesan already brings saltiness
  • Garlic: Freshly minced is non-negotiable here, as it forms the aromatic backbone of the entire dish
  • All-purpose flour: Just two tablespoons creates enough roux to thicken the sauce without making it heavy or pasty
  • Whole milk and heavy cream: The combination strikes the perfect balance between richness and drinkable consistency
  • Grated Parmesan: Buy a wedge and grate it yourself for proper melting and that sharp, salty punch
  • Ground nutmeg: A classic addition to white sauces that adds a whisper of warmth most people cant quite identify
  • Shredded mozzarella: Creates that irresistible cheese pull and golden bubbly top everyone fights over
  • Fresh parsley: Brightens all that richness with a fresh, herbal finish that cuts through the cream

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Instructions

Get your oven ready:
Preheat to 200°C (400°F) and grease a 23x33 cm (9x13-inch) baking dish with butter or cooking spray
Boil the pasta:
Cook penne in salted water until al dente, then drain and set aside, remembering it will cook more in the oven
Cook the chicken:
Heat olive oil in a large skillet over medium heat, season diced chicken with salt and pepper, and cook until golden and cooked through
Build the base:
In the same skillet, melt butter and cook minced garlic for one minute until fragrant, then stir in flour for another minute
Make the sauce:
Gradually whisk in milk and cream, bring to a simmer, and cook until slightly thickened
Add the cheese:
Stir in grated Parmesan, salt, and nutmeg until melted and smooth, then remove from heat
Combine everything:
Mix cooked pasta, chicken, and Alfredo sauce in a large bowl until evenly coated
Assemble the bake:
Transfer to your prepared baking dish and sprinkle mozzarella and extra Parmesan across the top
Bake until golden:
Cook for 20 to 25 minutes until the cheese is melted, bubbly, and spotted with golden brown
Rest and garnish:
Let the dish rest for 5 minutes before serving, then sprinkle with fresh parsley for color
Creamy Chicken Alfredo Bake served hot with fresh parsley garnish and steam rising. Pin It
Creamy Chicken Alfredo Bake served hot with fresh parsley garnish and steam rising. | savorytirza.com

This recipe has become my go-to for new parents and neighbors because it travels well and reheats beautifully. Theres something universal about bubbling cheese and pasta that says welcome home better than words ever could.

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Make It Your Own

Ive learned that this base recipe is incredibly forgiving and welcomes all sorts of additions. Sometimes I throw in steamed broccoli or sautéed spinach when I want to feel virtuous about serving vegetables. Other times, crisp cooked bacon or pancetta finds its way into the mix, adding a smoky depth that makes the whole house smell like a restaurant.

Timing Tricks

On hectic weeknights, a rotisserie chicken from the grocery store shortcuts the protein prep without sacrificing flavor. You can also assemble the entire bake up to a day ahead, refrigerate it covered, and bake when you are ready. The flavors actually meld better this way, making it ideal for entertaining or meal prep Sundays.

Serving Suggestions

A crisp green salad with a bright vinaigrette cuts through the richness of this dish and adds welcome texture. I also like to serve it with garlic bread for soaking up every last bit of sauce, though some might call that overkill. A glass of chilled Chardonnay mirrors the creaminess while refreshing your palate between bites.

  • Let leftovers cool completely before refrigerating in an airtight container
  • Reheat individual portions in the microwave with a splash of milk to refresh the sauce
  • The bake keeps well for up to three days and actually tastes better the next day
Chicken Alfredo Bake plated with penne and chicken, next to a crisp green salad. Pin It
Chicken Alfredo Bake plated with penne and chicken, next to a crisp green salad. | savorytirza.com

Theres no judgment if you eat this straight from the baking dish with a wooden spoon. Some nights call for proper plating and others call for standing over the oven door, stealing the first bite while the cheese still strings impossibly long between your fork and the dish.

Recipe Questions & Answers

Can I use pre-cooked chicken?

Yes, rotisserie chicken or leftover cooked chicken works perfectly. Simply dice it and add during the assembly step, skipping the initial cooking. This reduces total time to about 40 minutes.

What other pasta shapes work well?

Fettuccine, rigatoni, or cavatappi are excellent alternatives. Fettuccine mimics traditional Alfredo, while tube-shaped pastas like rigatoni hold extra sauce in their ridges.

Can I make this ahead of time?

Assemble the casserole up to 24 hours in advance, cover tightly, and refrigerate. Add 10-15 minutes to baking time if baking cold from the refrigerator.

How do I prevent the sauce from separating?

Use freshly grated Parmesan rather than pre-shredded cheese, which contains anti-caking agents. Keep the heat medium-low when making the sauce, and whisk constantly to prevent scorching.

What vegetables can I add?

Broccoli florets, fresh spinach, or peas blend seamlessly. Add broccoli during the last 3 minutes of pasta cooking so it blanches, or stir in frozen peas during assembly.

Can I freeze this casserole?

Freeze unbaked for up to 3 months. Thaw overnight in the refrigerator, then bake as directed. For best results, add cheese topping just before baking.

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Chicken Alfredo Bake

Comforting pasta casserole with tender chicken, creamy Alfredo sauce, and golden melted cheese topping.

Prep Duration
20 min
Cook Duration
35 min
Overall Time
55 min
Created by Nolan Briggs

Dish Type Oven & Pan Dishes

Skill Level Easy

Cuisine Origin Italian-American

Makes 6 Portions

Diet Preferences None specified

Ingredient List

Pasta

01 14 oz penne pasta

Chicken

01 1.1 lbs boneless skinless chicken breast, diced
02 1 tbsp olive oil
03 1/2 tsp salt
04 1/4 tsp black pepper

Alfredo Sauce

01 2 tbsp unsalted butter
02 3 cloves garlic, minced
03 2 tbsp all-purpose flour
04 2 cups whole milk
05 1/2 cup heavy cream
06 3/4 cup grated Parmesan cheese
07 1/2 tsp salt
08 1/4 tsp ground nutmeg

Cheese Topping

01 1 1/2 cups shredded mozzarella cheese
02 1/4 cup grated Parmesan cheese
03 2 tbsp chopped fresh parsley

How-To Steps

Step 01

Preheat Oven: Preheat oven to 400°F. Grease a 9x13-inch baking dish with cooking spray or butter.

Step 02

Cook Pasta: Bring a large pot of salted water to boil. Cook penne pasta according to package directions until al dente. Drain well and set aside.

Step 03

Season and Cook Chicken: Heat olive oil in a large skillet over medium heat. Add diced chicken, season with 1/2 tsp salt and 1/4 tsp pepper. Cook 5–7 minutes until golden and cooked through. Remove from skillet.

Step 04

Prepare Roux: In the same skillet, melt butter over medium heat. Add minced garlic and sauté 1 minute until fragrant. Sprinkle in flour, stir constantly for 1 minute to cook out raw flavor.

Step 05

Create Cream Base: Gradually whisk in whole milk and heavy cream. Bring to a gentle simmer while whisking continuously. Cook 3–4 minutes until sauce slightly thickens and coats the back of a spoon.

Step 06

Finish Alfredo Sauce: Remove skillet from heat. Stir in grated Parmesan, remaining 1/2 tsp salt, and nutmeg until cheese melts completely and sauce becomes smooth and creamy.

Step 07

Combine Components: In a large mixing bowl, add cooked pasta, cooked chicken, and Alfredo sauce. Toss thoroughly until every piece is evenly coated.

Step 08

Assemble Casserole: Transfer pasta mixture to the prepared baking dish, spreading evenly. Sprinkle shredded mozzarella and additional Parmesan cheese across the surface in a uniform layer.

Step 09

Bake to Perfection: Bake for 20–25 minutes until cheese is fully melted, bubbly, and develops golden-brown spots across the top.

Step 10

Rest and Garnish: Let the casserole rest for 5 minutes before serving to allow sauce to set. Sprinkle with fresh chopped parsley as a finishing garnish.

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Tools Needed

  • Large stock pot for boiling pasta
  • Large skillet or frying pan
  • Wire whisk
  • 9x13-inch baking dish
  • Large mixing bowl

Allergy Advice

Review each item for allergens and speak with your healthcare provider if unsure.
  • Contains wheat gluten from pasta and flour
  • Contains dairy from milk, cream, butter, and cheese

Nutrition Details (Each Serving)

These numbers are for reference only—always discuss health matters with your doctor.
  • Caloric Value: 580
  • Fat content: 24 g
  • Carbohydrates: 54 g
  • Proteins: 36 g

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