Peel, wash and dice the potatoes. Peel and chop the onions. Clean, peel and finely dice the carrot. Heat lard. Sauté prepared ingredients in it. Deglaze with 3/4 liter water.
Add bay leaf, salt, pepper and bacon and bring to the boil. After about 15 minutes of cooking time, remove 1/4 of the potatoes. Cook the remaining potatoes for another 15 minutes. Remove bacon and bay leaf.
Puree the rest of the soup. Add cream and potato cubes, bring to the boil again and season with salt, pink berries and marjoram. Garnish as desired with marjoram leaves.