Wash the potatoes and cook in plenty of boiling water for about 20 minutes. Meanwhile, boil the egg in boiling water for about 10 minutes until hard, quench and let it cool down. Wash and core the apple. Peel onion. Dice apple, onion and cucumber finely.
Wash parsley and dill, dab dry and chop. Cut cress from the bed. Stir curd, milk and about 3 tablespoons of cucumber water until smooth. Fold in diced ingredients and herbs and season with salt and pepper. Peel and chop the egg and finally fold into the tartar sauce. Wash the thyme, dab dry and scrape the leaves off the stalks. Drain the potatoes, rinse with cold water and remove the skin. Wrap the potatoes with bacon. Heat the oil in a large pan and fry the potatoes until golden brown, turning them over.
Wash the thyme, dab dry and scrape the leaves off the stalks. Drain the potatoes, rinse with cold water and remove the skin. Wrap the potatoes with bacon. Heat the oil in a large pan and fry the potatoes until golden brown, turning them over. Finally sprinkle with thyme and season with a little salt and pepper. Arrange immediately on a large plate and add the tartar sauce separately.