Chicken Fettuccine Alfredo Bake

Featured in: Quick Comfort Plates

This comforting casserole combines tender cooked chicken with fettuccine pasta enveloped in a creamy Alfredo sauce. The sauce is made by sautéing garlic in butter, whisking in flour, milk, and cream, then melting Parmesan cheese for a rich texture. The mixture is baked with a topping of mozzarella and Parmesan until golden and bubbly. Serve warm, garnished with fresh parsley for a satisfying, hearty main dish that balances creamy, cheesy, and savory flavors effortlessly.

Updated on Sat, 15 Nov 2025 13:43:00 GMT
Golden, bubbly Chicken Fettuccine Alfredo Bake with melted cheese, promising a comforting, cheesy casserole. Pin It
Golden, bubbly Chicken Fettuccine Alfredo Bake with melted cheese, promising a comforting, cheesy casserole. | platefullyjoy.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 prepared this Chicken Fettuccine Alfredo Bake for a cozy Sunday dinner and it immediately became a household favorite thanks to its creamy sauce and golden cheesy top.

Ingredients

  • Fettuccine pasta: 12 oz (340 g), cooked al dente
  • Cooked chicken breast: 2 cups (about 300 g), 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 the Oven and Dish:
Preheat oven to 375°F (190°C). Grease a 9x13-inch (23x33 cm) baking dish.
Cook Pasta:
Cook fettuccine in a large pot of salted boiling water until al dente. Drain and set aside.
Make Sauce Base:
In a large saucepan over medium heat melt butter. Add garlic and sauté for 1 minute until fragrant.
Make Roux:
Whisk in flour and cook for 1–2 minutes to form a roux.
Finish the Sauce:
Gradually whisk in milk and cream stirring constantly until mixture thickens about 4–5 minutes. Stir in Parmesan salt pepper and nutmeg until melted and smooth.
Combine Pasta, Chicken, and Sauce:
Add cooked chicken and drained pasta to sauce. Toss until evenly coated.
Assemble:
Transfer mixture to the prepared baking dish. Sprinkle mozzarella and Parmesan evenly over the top.
Bake:
Bake for 20–25 minutes until bubbly and golden. Broil for 2–3 minutes for a crispier top if desired.
Rest and Serve:
Let stand for 5 minutes. Garnish with fresh parsley and serve.
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My family always gathers around for seconds whenever this bake comes out of the oven the aroma alone draws everyone to the kitchen.

Serving Suggestions

Pair this casserole with a crisp green salad and warm garlic bread for a complete meal or add roasted vegetables on the side for extra color.

Storage and Reheating

Refrigerate leftovers in an airtight container for up to 3 days. Reheat covered in the oven at 350°F (175°C) until warmed through.

Allergen and Nutrition Information

This recipe contains wheat and dairy ingredients. Each serving provides approximately 610 calories 28 g fat 56 g carbohydrates and 36 g protein.

Steaming hot Chicken Fettuccine Alfredo Bake with perfectly cooked pasta and a rich, creamy sauce ready to serve. Pin It
Steaming hot Chicken Fettuccine Alfredo Bake with perfectly cooked pasta and a rich, creamy sauce ready to serve. | platefullyjoy.com

Try this Chicken Fettuccine Alfredo Bake for your next special dinner. Creamy cheesy and irresistible every bite is comfort food perfection.

Recipe FAQs

Can I use leftover chicken for this dish?

Yes, using cooked or rotisserie chicken works perfectly and makes preparation quicker.

What pasta works best with Alfredo sauce?

Fettuccine is ideal as its ribbons hold the creamy sauce well, but other pasta types can be substituted.

How can I make the topping crispier?

Broil the casserole for 2-3 minutes after baking to achieve a golden, crisp cheese crust.

Is there a dairy-free alternative for this dish?

Substitutions with plant-based milk and cheeses are possible but may alter texture and flavor.

Can I add vegetables to this bake?

Yes, ingredients like sautéed mushrooms or spinach can be mixed in for extra flavor and nutrition.

Chicken Fettuccine Alfredo Bake

Tender chicken and fettuccine baked in creamy Alfredo sauce with cheesy golden topping.

Time to Prep
20 minutes
Time to Cook
35 minutes
Overall Time
55 minutes
Recipe by Olivia Reed


Skill Level Easy

Cuisine Italian-American

Makes 6 Number of Servings

Diet Info 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)

Step-by-Step Guide

Step 01

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

Step 02

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

Step 03

Sauté Garlic: Melt butter in a large saucepan over medium heat. Add minced garlic and sauté for 1 minute until fragrant.

Step 04

Prepare Roux: Whisk in flour and cook for 1 to 2 minutes to create a roux.

Step 05

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

Step 06

Finish Sauce: Stir in Parmesan cheese, salt, pepper, and nutmeg until smooth and cheese is melted.

Step 07

Combine Chicken and Pasta: Add cooked chicken and drained pasta to the sauce, mixing until evenly coated.

Step 08

Assemble in Baking Dish: Transfer mixture to the prepared baking dish. Evenly sprinkle mozzarella and Parmesan over the top.

Step 09

Bake: Bake for 20 to 25 minutes until bubbly and golden. Optionally broil for 2 to 3 minutes for a crispier crust.

Step 10

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

Tools You'll Need

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

Allergy Notice

Be sure to review ingredients for allergens. When unsure, talk with a healthcare provider.
  • Contains wheat (gluten), milk, and dairy products
  • May contain traces of nuts due to pre-grated cheese; verify product labels

Nutrition (For Each Serving)

Nutritional details are meant for general guidance. Don't rely on them for medical reasons.
  • Calorie Count: 610
  • Fats: 28 g
  • Carbohydrates: 56 g
  • Proteins: 36 g