Baked Zucchini and Tomatoes

Zucchini; peel unless the skin is tough. Peel tomatoes onion.

Slice all into very thin crosswise slices. In a greased baking dish, make alternate layers of zucchini, tomatoes onions, sprinkling each layer with a little salt and pepper, dotting with butter. Cover the top with crushed cracker crumbs.

Bake in a 350° oven until vegetables are tender.