10 oz. pkg. frozen cauliflower
10 oz. pkg. frozen broccoli
1 can cream of mushroom soup
1 sm. jar Cheez Whiz
1 can French fried onion rings
1 can mushrooms, optional

Cook vegetables until done. Drain and turn into casserole. Melt soup and Cheez Whiz together. Pour over vegetables. Top with onion rings and brown in oven, uncovered, at 350 degrees.