Creamy casserole with chicken, broccoli, and rice topped with cheese. A complete one-dish meal.

Preheat oven to 350°F (175°C). Grease 9x13 inch dish.
Steam broccoli until crisp-tender.
Mix chicken, broccoli, rice, soup, mayo, and 1 cup cheese.
Spread mixture in prepared dish.
Top with remaining cheese.
Mix breadcrumbs with melted butter and sprinkle on top.
Bake 25-30 minutes until heated through.
Let stand 5 minutes before serving.