Creating your own delightful Crack Chicken Casserole is easy if you follow these simple steps:

1. Preheat the oven to 350°F (175°C).
2. In a large mixing bowl, combine the cooked shredded chicken, cream cheese, and ranch dressing. Mix until fully combined.
3. Add in the shredded cheddar cheese, crumbled bacon (if using), chopped green onions, frozen mixed vegetables, garlic powder, onion powder, salt, and pepper. Stir well to incorporate all the ingredients.
4. In a prepared 9×13 inch baking dish, layer the cooked rice or pasta evenly at the bottom.
5. Spoon the chicken mixture over the rice or pasta, spreading it out evenly.
6. Top with additional shredded cheese if desired for a cheesy crust.
7. Cover the baking dish with foil and place it in the preheated oven.
8. Bake for 30 minutes, then remove the foil and bake for an additional 5-10 minutes, or until the cheese is bubbly and golden.
9. Allow to cool for a few minutes before serving for the best flavor and texture.
10. Garnish with extra chopped green onions if desired and serve warm.

By following these simple steps, you can easily create a wonderful Crack Chicken Casserole that your family and friends will adore.