Peel and wash the potatoes and cook them in boiling salted water for about 25 minutes. In the meantime clean, wash and dry the salad. Wash and quarter cherry tomatoes. Mix vinegar, mustard and honey.
Olive oil in a thin stream under it. Season with salt and pepper. Wash the meat, dab dry and beat flat. Season with pepper. Cut ham and cheese slices in half. Cover each cutlet on one half with 1/2 slice of cheese and 1/2 slice of ham.
Fold the other half over and press together at the sides. Salt. Whisk the eggs on a deep plate. Turn the cutlets one after the other in flour, egg and breadcrumbs. Drain potatoes. Add milk and butter and mash them with a potato masher.
Season with salt and nutmeg and keep warm. Heat the oil in a pan. Fry the escalopes for 4-5 minutes on each side. Mix salad and cherry tomatoes with salad dressing. Arrange cordon bleu with mashed potatoes and salad on plates.
Cut cress from the bed and sprinkle it over the puree.