Preheat oven to 350 degrees.
Prepare broccoli according to package instructions.
In a large bowl, add rice, cream of mushroom, onion, milk, sour cream, 1 ½ cups cheese, and seasonings.
Chop broccoli in bite size pieces and mix with the rice mixture.
In a 9x13 greased casserole dish pour in the rice mixture.
Take the remaining cheese and sprinkle over the top.
Bake for 30 - 40 minutes.