Classic Chicken Alfredo Casserole

Step 1 -Preheat the oven to 350 degrees F.

Step 2 -Place the chicken halves in a pot, cover with water, and bring to a boil over high heat.

Step 3 -Reduce the heat and simmer the chicken halves until they reach an internal temperature of 165 degrees F, about 15 minutes.

Step 4 -While the chicken is cooking, add more water and the salt to a large pot and bring to a boil.

Step 5 -Add the penne to the boiling water and cook, while stirring occasionally, until al dente, according to the package directions.

Step 6 -Drain the pasta.

Step 7 -Drain the cooked chicken and cut into bite-size pieces.

Step 8 -In a large bowl, add the cooked chicken, the cooked penne, the Alfredo sauce, 1/2 of the mozzarella cheese, the milk, the onion powder, and the garlic powder and mix well.

Step 9 -Pour the Alfredo mixture into a 1 1/2-quart casserole dish.

Step 10 -Layer the remaining mozzarella cheese and the cheddar cheese on top of the Alfredo mixture.

Step 11 -Bake the casserole until the cheese has melted and the edges are bubbly, about 25 minutes.

Step 12 -Serve.