Wash the meat and cut into 2-3 cm cubes. Peel and dice shallots and garlic. Heat oil. Brown the meat cubes in it all around for about 10 minutes. Add shallots and garlic.
Season with salt and pepper. Deglaze with white wine and 1/2 litre water. Cover and stew for 30 minutes. In the meantime peel, wash and chop the carrots. Clean, wash and cut leek into rings.
Pour into the goulash, add another 1/4 litre of water and braise for another 30 minutes. In the meantime, put dumplings in boiling salted water and cook for about 7 minutes, drain. Wash the marjoram, chop coarsely.
Melt butter just before serving. Fry the dumplings and marjoram for 2-3 minutes while turning. Refine goulash with cream. Add sauce thickener, bring to the boil again. Season to taste with salt, pepper and lemon peel.
Arrange goulash and dumplings garnished with marjoram on plates.