Making Million Dollar Chicken Casserole is straightforward. Follow these easy steps for a delicious meal:

1. Preheat Oven: Begin by preheating your oven to 350°F (175°C).

2. Mix Ingredients: In a large mixing bowl, combine the shredded chicken, cooked rice, cream of chicken soup, sour cream, cheddar cheese, celery, green onions, garlic powder, onion powder, salt, and black pepper. Mix well until all ingredients are evenly combined.

3. Prepare Casserole Dish: Lightly grease a 9×13-inch baking dish to prevent sticking.

4. Transfer Mixture: Pour the chicken mixture into the greased baking dish, spreading it evenly.

5. Prepare Topping: In a small bowl, mix the crushed buttery crackers with melted butter. Stir until the crackers are fully coated and crumbly.

6. Add Topping: Evenly sprinkle the buttery cracker mixture over the top of the casserole.

7. Bake: Place the dish in the preheated oven and bake for 30 minutes or until heated through and the top is golden-brown.

8. Cool and Serve: Remove the casserole from the oven and let it cool for a few minutes before serving.

These steps lead you to a sumptuous Million Dollar Chicken Casserole that is sure to become a family favorite.