Creating Buffalo Chicken Pasta Bake is straightforward. Follow these simple steps to prepare this amazing dish:

1. Preheat Oven: Preheat your oven to 350°F (175°C).
2. Cook Pasta: Boil a large pot of salted water. Add the penne pasta and cook until al dente, according to package instructions. Drain and set aside.
3. Prepare Chicken Mixture: In a large bowl, combine shredded chicken, buffalo sauce, ranch or blue cheese dressing, garlic powder, onion powder, salt, and pepper. Mix well to evenly coat the chicken.
4. Combine Pasta and Sauce: In the same bowl, add the cooked pasta and half of the cheddar cheese. Stir until fully combined.
5. Transfer to Baking Dish: Pour the mixture into a greased 9×13-inch baking dish. Spread it out evenly.
6. Add Cheese Topping: Sprinkle the remaining cheddar cheese and mozzarella cheese evenly over the top of the pasta mixture.
7. Bake: Place the baking dish in the preheated oven and bake for 30-35 minutes, or until the cheese is bubbly and golden brown.
8. Cool and Serve: Remove the dish from the oven and allow it to cool for 5-10 minutes to set. Garnish with chopped green onions or parsley if desired.
9. Slice and Enjoy: Cut into portions and serve warm. Enjoy the amazing flavors with friends and family.

These steps guide you in preparing this incredible comfort dish effortlessly.