Scrape zucchini skins and wash.
Make a slit lengthwise and scrape out fleshy part.
Place plenty of water to boil. Add some salt.
Put in the zucchini and boil 2-3 minutes.
Drain them and keep aside.
In a pan heat oil, fry onions and garlic for a minute.
Add tomato, scraped pulp, 2 tbsp. bread crumbs, salt, pepper.
Transfer to a baking dish.
Sprinkle the remaining crumbs and cheese over the zucchini.
Bake in a hot oven for 10-12 minutes.
Serve hot with pita or other bread.