Zucchini Casserole

'''This is very good and simple to make. (Glenna Teets)'''

1 large onion, chopped

¼ cup margarine

¼ cup milk

½ t dry mustard

3 cups zucchini, sliced thin

2 beaten eggs

1 t salt

1 cup grated Swiss Cheese

Saute’ onion and zucchini in margarine and put in ½ qt baking dish. Combine eggs, milk, and dry mustard. Mix well and pour over vegetables. Sprinkle with Swiss cheese. Bake at 375 degrees for 20 minutes or until tender.