Preheat Oven: Set to 375°F (190°C). Grease a 9x13-inch baking dish.
Mix Ingredients: In a large bowl, combine chicken, rice, broccoli, soup, sour cream, milk, garlic powder, onion powder, salt, pepper, and 1½ cups of cheese. Stir until well mixed.
Assemble: Spread the mixture into the prepared baking dish. Sprinkle the remaining ½ cup of cheese on top.
Optional Topping: Mix crushed crackers with melted butter and sprinkle over the casserole for extra crunch.
Bake: Bake uncovered for 25-30 minutes or until bubbly and golden.
Serve: Let cool for a few minutes, then enjoy!
Notes
Cost varies based on location and ingredient brands.