Creating the Best Chicken and Rice Casserole is straightforward, especially when following these easy steps:

1. Preheat Oven: Preheat your oven to 350°F (175°C) and grease a 9×13-inch baking dish.
2. Mix the Base: In a large mixing bowl, combine the cooked rice, shredded chicken, cream of chicken soup, chicken broth, and frozen mixed vegetables.
3. Season the Mixture: Add the garlic powder, onion powder, paprika, salt, and black pepper to the mixture. Stir until everything is well combined.
4. Transfer to Baking Dish: Pour the mixture into the greased baking dish, spreading it evenly across the bottom.
5. Add Cheese: If you’re using cheese, sprinkle it evenly over the top of the casserole.
6. Cover and Bake: Cover the dish with aluminum foil and bake in the preheated oven for 30 minutes.
7. Uncover and Brown: After 30 minutes, remove the foil and bake for an additional 15-20 minutes, allowing the cheese to melt and become bubbly.
8. Rest Before Serving: Once done, remove from the oven and let it rest for about 5-10 minutes before serving to allow flavors to meld.

These straightforward steps will guide you to create an amazing Chicken and Rice Casserole that everyone will love!