Chicken Fettuccine Alfredo Bake

Featured in: Wham-Worthy Weeknights

This comforting dish features tender chicken combined with al dente fettuccine pasta, enveloped in a creamy Alfredo sauce made from butter, garlic, milk, cream, and Parmesan cheese. Baked until bubbly and golden, the casserole is finished with a mozzarella and Parmesan topping for a luscious crust. Perfectly balanced flavors and textures come together for a hearty main dish.

Easy to prepare, it comes together with simple ingredients and can be enhanced with mushrooms or spinach. Serve alongside a fresh green salad and crusty garlic bread for a satisfying meal anyone will enjoy.

Updated on Sat, 15 Nov 2025 13:37:00 GMT
Golden, bubbly Chicken Fettuccine Alfredo Bake fresh from the oven, ready to serve and enjoy. Save
Golden, bubbly Chicken Fettuccine Alfredo Bake fresh from the oven, ready to serve and enjoy. | whambite.com

A creamy, comforting casserole featuring tender chicken, fettuccine pasta, and a rich Alfredo sauce, baked to golden perfection with a cheesy topping.

I first made this bake for a family night, and it instantly became everyone's favorite comfort food. The irresistible golden cheesy crust and creamy filling always take us straight to cozy vibes.

Ingredients

  • Fettuccine pasta: 12 oz (340 g), cooked al dente
  • Chicken breast: 2 cups (about 300 g), cooked, diced or shredded
  • Unsalted butter: 4 tbsp (60 g)
  • Garlic: 3 cloves, minced
  • All-purpose flour: 1/4 cup (30 g)
  • Whole milk: 3 cups (720 ml)
  • Heavy cream: 1 cup (240 ml)
  • Parmesan cheese: 1 1/2 cups (150 g), freshly grated (for sauce)
  • Salt: 1/2 tsp
  • Black pepper: 1/2 tsp
  • Ground nutmeg (optional): 1/4 tsp
  • Mozzarella cheese: 1 cup (115 g), shredded (for topping)
  • Parmesan cheese: 1/2 cup (50 g), freshly grated (for topping)
  • Fresh parsley (optional): 2 tbsp, chopped (for garnish)

Instructions

Prepare Oven and Baking Dish:
Preheat oven to 375°F (190°C). Grease a 9x13-inch (23x33 cm) baking dish.
Cook Pasta:
Boil fettuccine in salted water until al dente. Drain and set aside.
Make Sauce:
Melt butter in a large saucepan over medium heat. Sauté minced garlic for 1 minute until fragrant.
Form Roux:
Whisk in flour, cooking for 1–2 minutes.
Add Milk and Cream:
Gradually whisk in milk and cream, stirring until thickened, about 4–5 minutes.
Add Cheese and Seasoning:
Stir in Parmesan, salt, pepper, and nutmeg until smooth.
Combine Pasta and Chicken:
Add cooked chicken and pasta to sauce. Toss until coated.
Transfer to Dish:
Spread mixture evenly in baking dish. Top with mozzarella and extra Parmesan.
Bake:
Bake for 20–25 minutes until bubbly and golden. Broil for 2–3 minutes for a crisper top if desired.
Rest and Serve:
Let stand for 5 minutes, garnish with parsley, and serve.
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My kids love helping sprinkle cheese on top before baking, making this dish extra special for family dinners on chilly nights.

Serving Suggestions

Pair this casserole with a crisp green salad and some warm garlic bread for a classic Italian-inspired meal everyone will enjoy.

Ingredient Substitutions

You can use gluten-free pasta and flour for a wheat-free version, and add sautéed mushrooms or spinach to the mix for extra flavor and nutrition.

Storing Leftovers

Store cooled leftovers in an airtight container in the fridge for up to 3 days. Reheat covered in the oven until warmed through for best results.

A close-up view of creamy Chicken Fettuccine Alfredo Bake, generously topped with melted cheese bubbling. Save
A close-up view of creamy Chicken Fettuccine Alfredo Bake, generously topped with melted cheese bubbling. | whambite.com

This bake brings warmth and comfort to every table. Enjoy every creamy bite with those you love!

Kitchen Guide

What type of chicken is best for this dish?

Cooked, diced or shredded chicken breast works well, and rotisserie chicken is a convenient option.

Can I use a different pasta than fettuccine?

Yes, other pasta types like penne or rigatoni can be substituted if preferred.

How do I achieve a creamy sauce consistency?

Slowly whisking milk and cream into the roux and cooking until thickened ensures a smooth, creamy Alfredo sauce.

Is it possible to add vegetables to this dish?

Absolutely, sautéed mushrooms or spinach make excellent additions for extra flavor and nutrients.

What is the best way to get a crispy topping?

Baking until bubbly and golden, then broiling for a few minutes creates a perfectly crisp cheese crust.

Chicken Fettuccine Alfredo Bake

A comforting blend of tender chicken, fettuccine, and rich Alfredo sauce with a cheesy crust.

Prep Duration
20 min
Cook Duration
35 min
Complete Duration
55 min
Created by Brandon Ellis


Skill Level Easy

Heritage Italian-American

Output 6 Portions

Diet Requirements None specified

What You'll Need

Pasta and Proteins

01 12 oz fettuccine pasta
02 2 cups cooked chicken breast, diced or shredded

Sauce

01 4 tbsp unsalted butter
02 3 cloves garlic, minced
03 1/4 cup all-purpose flour
04 3 cups whole milk
05 1 cup heavy cream
06 1 1/2 cups freshly grated Parmesan cheese
07 1/2 tsp salt
08 1/2 tsp black pepper
09 1/4 tsp ground nutmeg (optional)

Topping

01 1 cup shredded mozzarella cheese
02 1/2 cup freshly grated Parmesan cheese
03 2 tbsp chopped fresh parsley (optional)

Method

Phase 01

Prepare Oven and Baking Dish: Preheat oven to 375°F and grease a 9x13 inch baking dish.

Phase 02

Cook Pasta: Boil salted water in a large pot and cook fettuccine until al dente. Drain and set aside.

Phase 03

Sauté Garlic: Melt butter in a large saucepan over medium heat, then add minced garlic and cook for 1 minute until fragrant.

Phase 04

Make Roux: Whisk in flour and cook for 1 to 2 minutes, stirring constantly to form a roux.

Phase 05

Add Dairy: Gradually whisk in whole milk and heavy cream, stirring continuously until the sauce thickens, about 4 to 5 minutes.

Phase 06

Incorporate Cheese and Seasoning: Stir in Parmesan cheese, salt, black pepper, and nutmeg until smooth and cheese melts.

Phase 07

Combine Chicken and Pasta: Add cooked chicken and drained pasta to the sauce, tossing gently to coat evenly.

Phase 08

Assemble Casserole: Transfer the mixture to the prepared baking dish and sprinkle evenly with mozzarella and Parmesan cheese.

Phase 09

Bake: Bake for 20 to 25 minutes until bubbly and golden brown. Optionally broil for 2 to 3 minutes to crisp the topping.

Phase 10

Rest and Garnish: Allow to stand for 5 minutes before garnishing with fresh parsley and serving.

Kitchen Tools

  • Large pot
  • Saucepan
  • Whisk
  • 9x13 inch baking dish
  • Colander
  • Mixing spoon

Allergy Guide

Review ingredients carefully for potential allergens and seek professional medical guidance if unsure
  • Contains wheat (gluten), milk, and dairy products.
  • May contain traces of nuts from pre-grated cheese; check labels.

Nutrient Breakdown (per portion)

Numbers shown are estimates only - consult healthcare providers for specific advice
  • Energy: 610
  • Fats: 28 g
  • Carbohydrates: 56 g
  • Proteins: 36 g