Dump and Bake Chicken Alfredo Casserole

👨‍🍳 Step-by-Step Instructions

1. Preheat Oven
   Set to 350°F (175°C) to prepare for baking.
2. Prepare the Chicken
   Boil chicken breasts in water until fully cooked (about 15 minutes). Drain and chop into bite-sized pieces.
3. Cook the Pasta
   Boil penne until al dente (about 11 minutes). Drain and set aside.
4. Mix the Filling
   In a large bowl, combine chicken, pasta, Alfredo sauce, half the mozzarella, milk, onion powder, and garlic powder. Mix thoroughly.
5. Assemble the Dish
   Spread mixture evenly in a 1.5-quart casserole dish. Top with remaining mozzarella and all the Cheddar cheese.
6. Bake to Perfection
   Bake for 25 minutes until cheese is melted and bubbly. Let rest for a few minutes before serving.