For the Styrian mushroom soup, put the water on the fire with the peeled, diced potatoes and the finely chopped mushrooms.
Fry the finely chopped onion in hot fat and dust with flour. Add a little water, mix well and add to the soup with the spices.
Cook until the mushrooms are soft.
Add the chopped parsley and the pressed garlic clove. If you like, you can also add sour cream and some paprika to the mushroom soup.