Courgettes are cut in half and spoon scrape core. In a large frying pan fry the onion until glassy, ​​add successively peppers, cut into squares with a side of about 1 cm, grated carrots and celery. When everything stifle well turned-added core of courgettes, cut into in small pieces. Add salt and pepper and after 5 minutes a homogeneous mixture is distributed in courgettes which previously arranged in baking pan. On each zucchini half put smoked feta cheese (cheese), and the top - olive. It is better to use pitted olives, cut in two, so as not to roll. Bake in the oven about 20-25 minutes of not very high temperature. Finally, decorate with parsley. You can eat warm, but cold. No iced the refrigerator - at room temperature. These zucchini that I used are round and dark green, but can be done with ordinary zucchini.