Peel, wash and roughly dice the potatoes. Cover and cook in salted water for about 20 minutes. Peel and finely dice the onions. Dice the turkey breast. Heat oil in a pot. Fry the turkey breast for about 5 minutes while turning.
Take it out. Sauté onions in frying fat, dust with 1 tablespoon of paprika and sauté. Braise the sauerkraut briefly. Add apple juice and bay leaf and bring to the boil. Add turkey breast again. Season with salt and pepper.
Cover and braise over medium heat for about 25 minutes. Wash the parsley and chop it except for something to garnish. Drain the potatoes. Warm the milk lukewarm, add to the potatoes and mash finely.
Season to taste with salt and nutmeg. Season sauerkraut with salt and pepper. Arrange everything. Sprinkle with parsley. Serve with a dollop of crème légère. Sprinkle a little paprika powder on top.
Garnish with tomatoes and the rest parsley.