Chicken Alfredo Mac and Cheese: One-Pan Comfort Casserole

Name: Chicken Alfredo Mac and Cheese: One-Pan Comfort Casserole
Prep time: 15 min
Cook time: 25 min
Total time: 40 min
Cuisine: American
Ingredients: 1 lb boneless skinless chicken breast; 1 tbsp garlic powder; 1 tsp smoked paprika; 1 tsp cajun seasoning; black pepper to taste; salt to taste; 2 tbsp neutral oil; 2 tbsp butter; 1 tbsp minced garlic; 1 cup heavy cream; 1 cup whole milk; 1 tsp dried oregano; 1 cup freshly grated Parmesan cheese; 8 oz elbow macaroni; 1 cup shredded mozzarella cheese; 1 tsp smoked paprika, for sprinkling

Crispy seasoned chicken over creamy homemade Alfredo mac and cheese, broiled with extra cheese until blistered and browned. One skillet, pure comfort.

By WixForum Kitchen

Published October 26, 202610 min read

Total time: 40 mins

Prep: 15 mins
Cook: 25 mins

Serves: 6
Cuisine: American
Calories: 620; per serving, estimated

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Spoon lifting a cheesy, chicken-topped mac and cheese with a long cheese pull

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This chicken Alfredo mac and cheese is the ultimate comfort food mashup: tender pasta in a velvety Parmesan sauce, topped with crispy seasoned chicken and a blanket of mozzarella that gets blistered under the broiler. The combination of smoky, garlicky chicken and creamy, cheesy pasta makes every bite deeply satisfying. It's a one-skillet dinner that feels indulgent but comes together quickly. Perfect for weeknight dinners or when you need a crowd-pleasing casserole.

This recipe brings together two beloved classics: creamy Alfredo pasta and hearty mac and cheese. Seasoned chicken breast is seared until golden, then sliced and arranged over a rich, garlicky Parmesan sauce mixed with elbow macaroni. A final sprinkle of mozzarella and paprika goes under the broiler until the top is blistered and browned. The result is a decadent, savory casserole that's both familiar and exciting. Serve it straight from the skillet for a cozy, satisfying meal that everyone will love.

The appeal

Why you’ll love it

The method here builds layers of flavor. Seasoning the chicken with garlic powder, smoked paprika, and cajun spice gives it a bold, smoky crust that contrasts beautifully with the creamy sauce. Searing the chicken first develops a deep fond in the skillet, which gets incorporated into the Alfredo sauce for extra savory depth. The chicken is then sliced and laid over the pasta, so it stays juicy and doesn't dry out during broiling.
The Alfredo sauce relies on a classic technique: simmering cream and milk with garlic, then whisking in freshly grated Parmesan. The cheese melts smoothly into a velvety sauce that clings to every piece of pasta. Broiling the assembled casserole with mozzarella on top creates a bubbly, blistered cheese crust that adds texture and visual appeal. This combination of creamy, crispy, and charred elements makes each bite interesting.

Tools

Equipment

Large skillet
Large pot for pasta
Colander
Mixing bowl
Chef's knife
Cutting board
Measuring cups and spoons
Spatula

Swaps

Substitutions

Instead ofBoneless skinless chicken breast
UseBoneless skinless chicken thighs (cook to 165°F)
Instead ofElbow macaroni
UseCavatappi, shells, or penne
Instead ofHeavy cream
UseHalf-and-half (sauce will be slightly thinner)
Instead ofFreshly grated Parmesan
UsePecorino Romano (saltier, reduce added salt)

Good to know

Notes

Use freshly grated Parmesan for the best melting and flavor; pre-shredded bagged cheese often contains anti-caking agents that can make the sauce grainy. Whole milk and heavy cream provide the ideal richness, but you can substitute half-and-half for a lighter sauce. The elbow macaroni can be swapped for any short pasta like cavatappi or shells. Cook the pasta al dente because it will continue to cook slightly when combined with the hot sauce and during broiling.

For the chicken, boneless skinless thighs are a great alternative if you prefer dark meat. The cajun seasoning adds a nice kick, but you can reduce it or use smoked paprika alone for a milder flavor. If you don't have a broiler-safe skillet, transfer the mac and cheese to a baking dish before broiling. Make sure to watch the broiler closely—cheese can go from perfectly blistered to burnt in seconds.

Prep

Before you start

Before starting, gather all ingredients and equipment. Pat the chicken dry and season it in a bowl. Cook the pasta in salted water until al dente, then drain. If using a skillet that is not broiler-safe, have a baking dish ready. Preheat the broiler when you begin assembling the casserole. The entire process moves quickly, so having everything prepped will make it smooth.

Step by step

Method

8 steps

Phase 1

Season and Sear the Chicken

Step 1: Season and Sear the Chicken
In a bowl, toss the chicken breast with garlic powder, smoked paprika, cajun seasoning, black pepper, and salt until evenly coated. Heat the oil in a large skillet over medium-high heat. Add the chicken and cook until deeply browned and cooked through, about 5-6 minutes per side. Transfer to a cutting board and let rest for a few minutes before slicing into thin strips.
You’ll need: boneless skinless chicken breast · garlic powder · smoked paprika · cajun seasoning · black pepper · salt · neutral oil
Internal temperature 165°F (74°C)
Look for: The chicken is golden brown and registers 165°F (74°C) in the thickest part.
Tip: Don't overcrowd the pan; cook in batches if needed for a proper sear.
Step 2: Slice the Chicken
Once the chicken is cool enough to handle, slice it into thin strips or bite-size pieces. Set aside while you prepare the sauce and pasta.
You’ll need: boneless skinless chicken breast
Look for: The slices are juicy and slightly pink in the center only if undercooked; check that they are fully opaque.
Tip: Slicing against the grain keeps the meat tender.

Checkpoint

The chicken should be deeply browned on both sides and cooked through to 165°F (74°C). The skillet will have browned bits stuck to the bottom, which will add flavor to the sauce. The air will smell smoky and garlicky. Let the chicken rest before slicing to keep it juicy.

Phase 2

Build the Alfredo Sauce

Step 3: Start the Alfredo Sauce
In the same skillet, melt the butter over medium heat. Add the minced garlic and sauté until fragrant, about 1 minute. Pour in the heavy cream and milk, then stir in the oregano. Bring to a gentle simmer, stirring occasionally.
You’ll need: butter · minced garlic · heavy cream · whole milk · dried oregano
Look for: The liquid is steaming and small bubbles form around the edges.
Tip: Scrape up any browned bits from the chicken for extra flavor.
Step 4: Melt in the Parmesan
Reduce the heat to low and gradually whisk in the grated Parmesan cheese until completely melted and the sauce is smooth. Season with a pinch of salt and pepper. The sauce should coat the back of a spoon.
You’ll need: freshly grated Parmesan cheese · salt · black pepper
Look for: The sauce is thick, velvety, and free of lumps.
Tip: Add the cheese off the heat if the sauce seems too hot to avoid curdling.
Step 5: Cook the Pasta
While the sauce simmers, bring a large pot of salted water to a boil. Cook the elbow macaroni according to package directions until al dente. Drain well.
You’ll need: elbow macaroni
Look for: The pasta is tender but still firm to the bite.
Tip: Reserve a cup of pasta water to loosen the sauce if needed.
Step 6: Combine Pasta and Sauce
Add the drained macaroni to the skillet with the Alfredo sauce. Stir to coat every piece evenly. The mixture should be creamy and slightly saucy, as the pasta will absorb some liquid during broiling.
You’ll need: elbow macaroni · heavy cream · whole milk · freshly grated Parmesan cheese
Look for: The pasta is fully coated and the sauce is glossy.
Tip: If the sauce seems too thick, add a splash of reserved pasta water.

Checkpoint

The sauce should be smooth, creamy, and lightly bubbling. The garlic will be fragrant, and the Parmesan will have melted completely. The sauce should coat the back of a spoon. The pasta should be cooked al dente and ready to combine.

Phase 3

Assemble and Broil

Step 7: Assemble the Casserole
Preheat the broiler. Arrange the sliced chicken evenly over the mac and cheese in the skillet. Sprinkle with the shredded mozzarella and the extra smoked paprika.
You’ll need: boneless skinless chicken breast · shredded mozzarella cheese · smoked paprika
Look for: The chicken covers the surface and the cheese is evenly distributed.
Tip: For extra browning, press the chicken gently into the sauce.
Step 8: Broil Until Blistered
Place the skillet under the broiler and cook until the cheese is melted, blistered, and browned in spots, about 5 minutes. Watch closely to prevent burning. Remove from the broiler and let rest for a few minutes before serving.
You’ll need: shredded mozzarella cheese · smoked paprika
Look for: The cheese is bubbling and golden with charred spots.
Tip: If the skillet handle is not oven-safe, wrap it in foil before broiling.

Checkpoint

The assembled casserole should have an even layer of chicken and a generous topping of mozzarella and paprika. After broiling, the cheese should be blistered and browned in spots, with the sauce bubbling around the edges. The kitchen will smell of toasted cheese and smoky paprika.

Doneness

How to tell it’s done

The dish is done when the chicken is fully cooked through, reaching an internal temperature of 165°F (74°C), and the topping is bubbly and browned. The cheese should be melted and blistered in spots, with a golden-brown crust. The sauce should be thick and creamy, coating the pasta without being runny. Let the casserole rest for a few minutes before serving to allow the sauce to set slightly.

Avoid these

Common mistakes

One common mistake is overcooking the pasta, which can turn mushy when baked. Cook it al dente and drain well. Another is using pre-shredded cheese that doesn't melt smoothly; grate your own. Overcrowding the chicken in the pan can cause steaming instead of searing—cook in batches if needed. Finally, don't walk away from the broiler; the cheese can burn quickly. Keep a close eye and rotate the skillet if necessary.

Cook safely

Food safety

Safe internal temperatures

Cook to at least these temperatures, measured with an instant-read thermometer in the thickest part.

Minimum safe internal temperatures
Food	Minimum internal temperature
Poultry	165°F (74°C)

Better results

Tips

Tip 1
For the best sear on the chicken, make sure the skillet is hot before adding the meat. Pat the chicken dry with paper towels to remove excess moisture. Season generously and don't move the chicken too soon—let it develop a golden crust before flipping. If the chicken is thick, pound it to an even thickness for uniform cooking.
Tip 2
To prevent the sauce from curdling, keep the heat low when adding the Parmesan and stir gently. If the sauce does separate, whisk in a splash of warm milk to bring it back together. For a smokier flavor, use smoked mozzarella or add a pinch of liquid smoke to the sauce. Fresh herbs like parsley or thyme make a nice garnish if you have them.

Make it yours

Variations

Spicy Cajun Chicken

Increase the cajun seasoning to 1 1/2 teaspoons and add a pinch of cayenne pepper to the chicken rub. For extra heat, drizzle with hot sauce before serving. The smoky, spicy flavor pairs well with the cool creaminess of the sauce.

Bacon and Chive

Sprinkle cooked, crumbled bacon over the top before broiling, and garnish with fresh chives after baking. The salty, smoky bacon adds a savory crunch that complements the creamy Alfredo. This variation is a crowd-pleaser for special occasions.

Vegetable Medley

Add sautéed mushrooms, spinach, or roasted red peppers to the sauce along with the pasta. This increases the vegetable content and adds earthy flavors. The vegetables should be cooked before mixing to avoid releasing excess water into the sauce.

Lighter Cream Sauce

Replace the heavy cream with half-and-half and use reduced-fat milk. The sauce will be slightly less rich but still creamy. Use part-skim mozzarella to reduce fat further. The dish will still be satisfying, with a lighter finish.

On the table

Serving suggestions

Serve this chicken Alfredo mac and cheese hot, straight from the skillet for a rustic, family-style presentation. A simple green salad with a tangy vinaigrette balances the richness. Garlic bread or crusty baguette is perfect for soaking up any extra sauce. For a touch of freshness, sprinkle with chopped parsley or chives before serving.

This dish is hearty enough to be a main course on its own. Pair it with roasted vegetables like broccoli or asparagus for a complete meal. If you prefer a lighter side, a crisp cucumber salad or steamed green beans work well. For a cozy dinner, serve with a glass of white wine or sparkling water with lemon.

Leftovers

Storage & make-ahead

Fridge: Store leftovers in an airtight container in the refrigerator for up to 4 days. Reheat gently with a splash of milk to restore creaminess.
Freezer: Freeze the unbaked casserole for up to 3 months. Thaw overnight in the refrigerator before broiling.
Reheat: Reheat individual portions in the microwave for 1-2 minutes, or in a 350°F (175°C) oven for 10-15 minutes until heated through.

Store leftovers in an airtight container in the refrigerator for up to 4 days. Reheat gently in the microwave or on the stovetop with a splash of milk to restore creaminess. The cheese topping may lose its crispness, but the flavor will remain delicious.

Make ahead

The entire casserole can be assembled ahead of time, but do not broil until ready to serve. Cover and refrigerate for up to 24 hours. When ready, broil as directed, adding a few extra minutes if the dish is cold. You can also cook the chicken and sauce in advance, then assemble and broil just before serving.

Questions

Frequently asked questions

Can this dish be made gluten-free?

Yes, use gluten-free elbow macaroni or another short gluten-free pasta. Make sure the cajun seasoning and other spices are certified gluten-free. The rest of the ingredients—chicken, cream, milk, cheese, butter—are naturally gluten-free. Check labels on any packaged seasonings to ensure no cross-contamination.

Why does the Alfredo sauce sometimes become grainy?

The sauce can turn grainy if the heat is too high or if the cheese is added too quickly. Keep the heat low when whisking in the Parmesan, and add it gradually. Using freshly grated cheese rather than pre-shredded helps too. If the sauce does become grainy, whisk in a tablespoon of warm milk to help smooth it out.

Can this casserole be prepared ahead and frozen?

Yes, assemble the casserole without broiling, cover tightly, and freeze for up to 3 months. Thaw overnight in the refrigerator before baking. To cook, broil as directed, adding a few extra minutes since the dish will be cold. The texture may be slightly softer after freezing, but the flavor remains excellent.

What is the best way to reheat leftovers?

Reheat individual portions in the microwave for 1-2 minutes, or place the casserole in a 350°F (175°C) oven for 10-15 minutes until heated through. Add a splash of milk or cream before reheating to restore the sauce's creamy texture. Stir gently to redistribute the sauce and cheese.

Can the chicken be substituted with another protein?

Yes, cooked shrimp, turkey cutlets, or even ground beef can replace the chicken. Adjust cooking times accordingly. For shrimp, cook until pink and opaque, about 2-3 minutes per side. For ground beef, brown and crumble before adding to the sauce. Ensure any protein reaches its safe internal temperature.

Everything in one place: the recipe card below gathers the ingredients, steps and estimated nutrition, ready to print.

Recipe card