In a saucepan bring water to a boil. Add rice, reduce heat, cover and simmer for 20 minutes.
Preheat oven to 400 degrees F (200 degrees C).
While the rice is cooking, place frozen broccoli in large skillet. Heat stove to low-medium and defrost broccoli When the broccoli is 90% defrosted add processed cheese sauce to the broccoli and let melt. When rice has completed cooking add broccoli-cheese mixture and rice to 9x13 baking dish and mix well.
Place casserole in the preheated 400 degrees F (200 degrees C) oven for 10 minutes; or until heated through.