Pour 2.5 liters of water into a saucepan, add beef (350 gr.) on the bones, bring the broth to a boil, remove the foam, add salt to taste, cook the meat until tender. Then remove the meat from the pan, remove the bones, cut into pieces and set aside.
Cut the potatoes (2 pcs.) into cubes. Add the potatoes to the broth in which the meat was previously cooked. Reduce the heat and cook the potatoes until al dente.