No-Pasta Lasagna

Layer the following in a 9 by 13 pan: 1.)thinly-sliced (long ways) zucchini--you will need about 4 med/large zucchini total; 2.)thin layer of ricotta cheese; 3.)pasta sauce (or diced tomatoes); 4.)roasted red peppers, chopped and patted dry; 5.)mushrooms, sliced and sauteed; 6.)a few sprinkles of mozzarella cheese. Keep repeating layers, ending with a covering of mozzarella cheese and parmesan. Bake at 400 for about 30-40 min.