Broccoli Casserole - cooking recipe

Ingredients

1 (10 oz.) box frozen chopped broccoli
1 medium grated onion
1 can cream of mushroom soup
1 small jar sliced mushrooms
1 (8 oz.) jar Cheez Whiz
1 1/3 c. cooked rice
1/2 c. butter

Preparation

Cook broccoli and onions according to directions on box.
Cook rice separately.
Mix thoroughly all ingredients.
Spray pan with Pam.
Bake at 350\u00b0 for 30 minutes.