This traditional recipe for lithuanian savory potato pudding, known as kugelis or bulviu plokstainis (literally "Flat potato"), produces a dense, heavy casserole that is considered a national dish of lithuania. Kugelis is commonly served with applesauce, lingonberry preserves, sour cream, or crumbled bacon bits and can be eaten as a main course or side dish. Compare this recipe with this easy lithuanian kugelis recipe made with frozen hash browns and this polish potato pie recipe known as baba kartoflana or kartoflak.