Wash the potatoes and cook in salted water for about 20 minutes. Wash the leek and cut into pieces. Steam covered in approx. 8 tablespoons salted water for 5-8 minutes
Orange halve. Peel one half so that the white skin is also removed. Cut the flesh into 4 slices. Squeeze the remaining orange half
Dab the schnitzel dry. Cut in half and possibly tap flat. Season with salt and pepper. Cover each half with 2 orange slices and 1 sage leaf, fold over and pin up. Fry the meat in hot oil for 2-3 minutes on each side, remove
Drain the leek and collect the stock. Add stock and orange juice. Bring to the boil and thicken. Refine with cream, season to taste. Arrange everything, garnish if necessary