Peel, wash and slice the potatoes. Clean, wash and cut the vegetables into pieces. Season meat with salt and pepper. Heat 3 tablespoons of oil in a large pan. Fry the potatoes and carrots at medium heat for about 15 minutes.
Add the leek 5 minutes before the end of the frying time. Season with salt, pepper and marjoram. Heat the remaining oil in a second pan. Fry the pork fillet for 15 minutes. Add chicken fillet after 5 minutes and fry. Take the meat out and keep it warm. Stir the crème fraiche into the roast stock. Season to taste with salt and pepper. Cut meat into slices, sprinkle with coarse pepper and serve with the fried potatoes and sauce.
Add chicken fillet after 5 minutes and fry. Take the meat out and keep it warm. Stir the crème fraiche into the roast stock. Season to taste with salt and pepper. Cut meat into slices, sprinkle with coarse pepper and serve with the fried potatoes and sauce. Garnish with parsley