Cut the meat into thin slices. Clean and wash the leek and cut into rings. Peel, wash and quarter potatoes. Drain the corn. Heat 1 tablespoon of oil in a frying pan, fry the meat in it.
Season with salt and pepper and remove. Put the remaining oil in the pan and heat it up. Fry the potatoes for 15-20 minutes at medium heat. Turn from time to time. Season with salt. Add the leek to the potatoes 10 minutes before the end of the cooking time.
Add the corn and meat 5 minutes before the end of the frying time. Wash herbs and chop finely. Mix sour cream and herbs. Season to taste with salt, pepper and paprika. Put some cream on the vegetable pan.
Garnish with parsley. Add the rest of the cream extra.