Creamy Chicken Alfredo Bake with Bubbly Mozzarella Step-by-step instructions

Before you start

Before beginning the cooking process, organize your workspace and measure all ingredients to ensure a smooth workflow. Bring a large pot of water to a rolling boil for the pasta.

Shred the mozzarella and grate the parmesan cheese from their blocks. Mince the garlic cloves finely. Season the chicken breasts evenly with salt, black pepper, and Italian seasoning so they are ready to hit the hot skillet immediately.

Instructions

Prep Pasta and Chicken

1. 1Boil the Pasta
   Bring a large pot of salted water to a boil. Add the penne pasta and cook for 8 minutes, or until just slightly under al dente. Drain the pasta and set it aside in a large mixing bowl.
   Look for The pasta should still have a firm bite in the center.
   Tip Undercooking the pasta slightly prevents it from becoming mushy during the baking process.
2. 2Cook and Shred the Chicken
   Heat a tablespoon of olive oil in a large skillet over medium-high heat. Season the chicken breasts with salt and pepper. Cook the chicken for 6 to 8 minutes per side, ensuring the thickest part reaches a safe internal temperature of 165°F (74°C). Transfer the chicken to a board, let it rest, and shred it.
   Look for The chicken breasts should be golden-brown on the outside and completely opaque throughout.
   Safe temperature 165°F (74°C) internal temperature (poultry)
   Tip Letting the chicken rest before shredding locks in the juices and keeps the meat tender.

At the end of this first phase, the penne pasta should be cooked just under al dente, still holding a firm bite.

The chicken breasts should be beautifully seared on the outside, completely cooked through to a safe internal temperature, and shredded into tender, bite-sized pieces. The kitchen will fill with the savory aroma of seasoned, pan-seared chicken.

Simmer Sauce and Toss

3. 3Prepare the Garlic Cream Sauce
   In a large skillet over medium heat, pour in the heavy cream and add the minced garlic. Bring to a gentle simmer, then whisk in the grated parmesan cheese until fully melted and the sauce becomes velvety and smooth.
   Look for The sauce should thicken slightly and coat the back of a spoon.
   Tip Keep the heat on medium-low to prevent the heavy cream from boiling over or separating.
4. 4Combine Pasta, Chicken, and Sauce
   Preheat the oven to 375°F (190°C). Pour the velvety garlic cream sauce over the cooked penne pasta and shredded chicken in the large mixing bowl. Toss everything together gently until the pasta and chicken are evenly coated in the rich alfredo sauce.
   Look for Every piece of pasta should be thoroughly coated in the creamy sauce.
   Tip If the mixture seems too thick, splash in a tablespoon of reserved pasta water.

The second phase concludes with a velvety, aromatic garlic cream sauce that has thickened slightly to coat the back of a spoon. When tossed together in the large bowl, the pasta and shredded chicken should be completely submerged in the rich, glossy alfredo sauce, ensuring no dry pockets remain before the mixture goes into the baking dish.

Bake and Broil to Perfection

5. 5Assemble, Bake, and Broil
   Transfer the pasta mixture into a 9x13-inch baking dish. Sprinkle the shredded mozzarella cheese evenly over the top. Bake for 15 minutes, then turn on the broiler for 2 to 3 minutes until the mozzarella is bubbling with golden-brown spots. Garnish with chopped fresh parsley before serving.
   Look for The cheese topping should be ultra-gooey, bubbling, and beautifully browned.
   Tip Watch the broiler closely to prevent the cheese topping from burning.

The final checkpoint is reached when the bake emerges from the oven steaming hot. The mozzarella topping must be completely melted, bubbling vigorously around the edges of the dish, and dotted with deep golden-brown spots from the broiler. Garnish with a sprinkle of fresh parsley, which adds a bright contrast to the rich, golden cheese crust.

Common mistakes

One common mistake is overcooking the pasta during the initial boil. Because the pasta continues to cook while baking in the oven, boiling it fully beforehand will result in a mushy, soft texture.

Another frequent error is boiling the heavy cream sauce too rapidly after adding the parmesan cheese. High heat can cause the dairy to split, leading to a greasy, separated sauce rather than a smooth, velvety cream.

How to tell it’s done

To determine if the chicken alfredo bake is perfectly cooked, check that the edges are bubbling intensely and the cheese topping is fully melted with golden-brown spots.

Most importantly, ensure the chicken has reached a safe internal temperature of 165°F (74°C) before serving. Let the dish rest for ten minutes after removing it from the oven; this allows the sauce to cool slightly and thicken, making it much easier to slice and serve.

• Poultry: 165°F (74°C) in the thickest part