Courgettes cut into thick slices, with a core carving completely to remain as rings. The butter is melted in a pan and fry it finely chopped leeks and garlic for a few minutes. Add chopped mushrooms, parsley, salt, pepper, cinnamon, cut core from squash and couscous put up pre-soak for 30-40 minutes and drain the water. In a well-greased baking dish arrange slices zucchini and filled with stuffing, as are watered from above with a little olive oil. In pan pour 1 cup water each zucchini covered with tomato slice and bake 30-40 minutes.