01 -
Preheat your oven to 350°F (175°C).
02 -
Bring a large pot of salted water to a boil, then cook the rigatoni for slightly less than the package's recommended time.
03 -
Add broccoli florets to the boiling pasta in the final 3 minutes of cooking.
04 -
Drain the pasta and broccoli thoroughly, then transfer them to a 9x13-inch baking dish.
05 -
Add the shredded chicken, Alfredo sauce, garlic powder, salt, and pepper to the dish, stirring to combine.
06 -
Sprinkle the shredded mozzarella and grated Parmesan evenly over the mixture.
07 -
Bake uncovered in the oven until the cheese topping is golden and bubbly, about 25 minutes.
08 -
Allow the dish to cool slightly after baking before serving to let the flavors meld together.