Wash the meat, dab dry and cut into cubes of about 2 cm. Peel onions, cut into large pieces. Peel garlic, press through a garlic press. Peel and wash potatoes, cut into larger cubes.
Heat the lard. Fry the meat in it over a high heat for 5 minutes, turning it over. Sauté onions and garlic briefly. Season with salt, pepper, caraway, paprika and vinegar. Add Letcho and potatoes.
Deglaze with 1/2 litre water. Cook in a closed pot for about 15 minutes. Add another 1/4 litre of water, cover and braise for another 15 minutes. Season goulash to taste, refine with crème fraîche.
Wash and chop the parsley and sprinkle over it.