3 c. cooked zucchini squash
1/2 stick butter
1 lg. onion
1 lg. tomato
Mozzarella cheese (grated)

Layer squash, butter, sliced onion, sliced tomato, grated cheese. Add second layer of each. Bake at 350 degrees about 40 minutes. (Eggplant may be used instead of zucchini.)