Creating Loaded Chicken and Potato Casserole is straightforward. Follow these steps to whip up this amazing dish:

1. Preheat the Oven: Preheat your oven to 375°F (190°C).

2. Prepare the Potatoes: Wash and peel the potatoes, then dice them into small, uniform pieces.

3. Cook the Potatoes: In a large pot, boil the diced potatoes in salted water for about 10-12 minutes or until fork-tender. Drain and set aside.

4. Mix the Chicken and Sauce: In a large mixing bowl, combine the shredded chicken, sour cream, cream of chicken soup, milk, garlic powder, onion powder, paprika, salt, and pepper. Stir until well-mixed.

5. Combine Potatoes and Chicken Mixture: Gently fold the cooked potatoes and optional broccoli florets into the chicken mixture until everything is evenly coated.

6. Transfer to a Baking Dish: Pour the mixture into a greased 9×13-inch casserole dish, spreading it evenly.

7. Add Toppings: Sprinkle shredded cheddar cheese over the top of the casserole.

8. Bake: Bake in the preheated oven for 30-35 minutes or until the cheese is bubbly and lightly browned.

9. Let Cool: Remove from the oven and allow it to cool for about 5 minutes.

10. Garnish and Serve: Sprinkle chopped green onions on top for added flavor and garnish.

Following these steps will ensure a delicious Loaded Chicken and Potato Casserole that everyone will love!