Kovászos Uborka: Hungarian Fermented Cucumbers Kovászos uborka, or "koviubi" for short, is Hungary's favorite fermented vegetable in the summer. It pairs beautifully with grilled meats and sausages, but it's also great alongside fried chicken or fish. There's no need to buy pickled vegetables at the supermarket when the sun is out — hot weather is the perfect time to make ...