1 large package chopped frozen broccoli ( 10 oz ) 2 cups cooked rice 1 stick butter 1 can chopped mushrooms 1 small chopped yellow onion 1 large jar cheez whiz 1 can of cream of mushroom soup ( or 2 if needed ) undiluted

Saute butter onions and when mostly cooked add mushrooms.
Cook rice.
Combine everything in a 9 x 13 glass casserole
Bake at 350 for 45 minutes.