6 zucchini
Salt and pepper
1/2 c. sliced onion
1/2 c. sliced celery
butter
2 tomatoes, peeled and sliced
Grated Mozzarella cheese
Dash of dry mustard

Cut zucchini into 1/4 inch slices and overlap slices in layers in well-greased casserole. Add salt and pepper to taste. Cook onion and celery in butter until tender. Layer onion and celery over zucchini and add layer of tomato slices. Cover and bake at 350 degrees for about 45 minutes. Uncover and sprinkle with cheese mixed with mustard. Bake uncovered 15 minutes longer. 6 servings.