In the oil fry the onion, then add the grated tomato, okra, cut into smaller pieces. Pour 2 cups previously boiled milk. Add the zucchini and potatoes, diced. Add 1 liter of water. Pour the rice, add savory, bay leaves, black pepper, salt. Once everything is boiled egg stir flour mixed into the remaining milk and yogurt. The mixture is stirred well. The soup is pulled from the fire. Add the mixture, as poured carefully and continuously stirring. Again put on the fire for at least 2-3 minutes. Once soup is ready add the chopped parsley and seasoned with vinegar.