
Preheat oven to 350°.
In a greased 13x9 baking dish, stir together diced chicken, cooked rice, broccoli, condensed soup, sour cream, and 1 cup of the shredded cheddar cheese.
Sprinkle with remaining 1/2 cup grated cheddar cheese.
Top with crushed Corn Flakes and drizzle with melted butter.
Bake until bubbly and the cheese is melted. 30-35 minutes.