Creating Chicken Cordon Bleu Pasta Bake is a simple and enjoyable process. Follow these steps to create this delicious dish:

1. Preheat the Oven: Preheat your oven to 350°F (175°C).
2. Cook the Pasta: In a large pot, cook the penne pasta according to package instructions until al dente. Drain and set aside.
3. Mix the Sauce: In a large mixing bowl, combine the sour cream, cream of chicken soup, milk, garlic powder, onion powder, thyme, and black pepper. Mix until well blended.
4. Combine Ingredients: Add the cooked pasta, shredded chicken, diced ham, and 1 cup of Swiss cheese to the sauce mixture. Stir until everything is evenly coated.
5. Transfer to Baking Dish: Pour the mixture into a greased 9×13-inch baking dish, spreading it evenly.
6. Prepare Topping: In a small bowl, combine the breadcrumbs with the melted butter. Sprinkle this mixture over the pasta bake.
7. Add Remaining Cheese: Top with the remaining ½ cup of Swiss cheese.
8. Bake: Place in the preheated oven and bake for 35-40 minutes, or until the top is golden brown and the dish is bubbly.
9. Rest: Once out of the oven, let the dish rest for about 10 minutes to set.
10. Garnish: Sprinkle with chopped fresh parsley before serving.

With these straightforward steps, you’ll have a delicious Chicken Cordon Bleu Pasta Bake ready in no time!