Zucchini Corn Casserole

2 lbs cooked and sliced zucchini
1 lb whole kernel corn, drained
2 eggs, beaten
1 chopped onion
1/2 lb cheddar cheese

Mix eggs, corn, onion and zucchini, add half of the cheese and mix well. Pour into casserole dish and sprinkle rest of the cheese on top. Bake at 350 degrees for 30 to 40 minutes.