Make the frying. Heat a saucepan and add a little oil. Fry the onion and carrot over medium heat. They should become soft and light golden. Cover with water and add the potatoes and cabbage. Salt to taste.
Boil all the ingredients and puree them. Add spices (pepper, nutmeg and salt) to the pan with vegetables, cook for another 7-8 minutes. Then remove the pan from the heat and beat the contents with a blender. Next, add milk or cream, return the pureed soup to the heat and bring to a boil.