In a bowl toss in the beef, diced onions, grated tomatoes, red vinegar, oregano, parsley, salt, pepper. If your stale bread has softened up then add this into your bowl and blend by using your hands, so that it all combines nicely. Form 4 large patties and place onto potatoes. Pour the rest of the Olive oil, lemon juice, thyme, salt and pepper, and add 2 cups of water.