Ends of the courgettes are cut before being washed. Grate, add salt and drain in a colander. In a bowl, grate the feta cheese, add chopped parsley, gruera, add salt and add pepper. If necessary zucchini is lightly pressed with hands to completely drain the water from them. Then add to the bowl with cheese and egg clicks. Peel halve. On one side put the filling and screw in the form of a triangle, the edges are underneath the banitsi. So with all other sheets. After the banitsi are made in a pan becomes heated olive oil, the banitsi fry it on both sides until golden-brown color.