2 med. size zucchini, in 1/2 inch slices
1 lg. c. tomato sauce
Olive oil
Pkg. Mozzarella cheese

Preheat oven to 475 degrees. Line 9 x 13 inch baking pan with olive oil; add a layer of sauce, then a layer of zucchini. Add another layer of sauce, then a layer of Mozzarella cheese. Repeat layers until pan is full. Bake 1 hour or until soft.