Wash the potatoes and cook for about 20-25 minutes. Then drain, rinse and peel. Let the potatoes cool down
In the meantime, clean and wash the peppers and cut them into small pieces. Wash the cucumber, quarter it lengthwise and cut into slices
Stir yoghurt and mayonnaise until smooth. Season with salt, pepper, sugar and lemon juice
Cut the potatoes into slices. Heat the stock, pour over the potatoes and let it soak through a little. Add paprika, cucumber and yoghurt sauce to the potatoes. Mix everything and let it stand for about 15 minutes
Wash the turkey escalopes and pat dry, season and spread with mustard or horseradish. Beat the egg well. Turn the escalopes first in flour, then in the egg and finally in breadcrumbs.
Heat the oil in a frying pan. Fry the escalopes for about 5 minutes on each side
Season salad again and arrange on a plate with the escalopes. Garnish as desired with lemon slices and chervil