Cut vegetables into rings: 500g of zucchini, larger eggplant, peppers 2 and 3 tomato and fry it in its own juice on both sides of the grill pan, briefly. Then, arrange the vegetables in a baking pan or ovenproof dish, alternating putting a layer of zucchini, eggplant, peppers and tomatoes. Pour tomato juice over it, along with chopped basil and vegetable seasonings. Bake in oven for 20 minutes at 200 ° C.