Clean, wash and cut the leek into rings. Peel and chop the onion. Peel, wash and dice turnip, carrots and potatoes. Cut the ends of the mead diagonally into thin slices
Heat the fat in a saucepan. Fry the mettendenden slices in it while turning them until crispy and take them out. Briefly sauté the prepared vegetables in the frying fat. Deglaze with 1 3/4 litre water, stir in stock, bring to the boil and simmer for approx. 45 minutes
Wash the lovage, shake dry, pluck the leaves from the stems, chop and cook for the last 5 minutes. Season soup with salt and pepper. Serve and sprinkle with Mettenden chips