20 oz. frozen cauliflower, blanched
10 oz. frozen broccoli, blanched
17 oz. corn
17 oz. whole corn, drained
2 c. shredded Swiss cheese
1 can cream of celery soup
4 oz. sliced mushrooms; optional

Fold all ingredients together. Bake in 9 x 13 pan, uncovered at 375 degrees for 30-35 minutes.