Before You Begin:
Prepare your cookware as needed. Cooking times and results may vary depending on your oven, cookware, and ingredient thickness.
Preheat Oven
Preheat oven to 375°F (190°C). Lightly grease a 9×13-inch baking dish.
Cook Pasta
Bring a large pot of salted water to a boil. Cook pasta until al dente according to package directions. Drain well.
Make Alfredo Sauce
Melt butter in a skillet over medium heat. Add garlic and cook about 30–60 seconds, stirring frequently, until fragrant but not browned.
Add heavy cream and bring to a gentle simmer over medium heat, stirring occasionally. Stir in Parmesan, Italian seasoning, salt, and pepper. Cook 3–4 minutes until slightly thickened.
Combine Ingredients
Add cooked chicken and pasta to the sauce. Stir to coat evenly. Mix in 1 cup mozzarella.
Assemble
Transfer mixture to prepared baking dish. Sprinkle remaining mozzarella evenly over the top.
Bake
Bake for about 20–25 minutes, or until cheese is melted, lightly golden, and edges are bubbling.
Rest and Serve
Remove from oven and let stand 5–10 minutes before serving. Garnish if desired and serve warm.
