Rinse off the porcini mushrooms. Soak in 1/4 l lukewarm water. Peel, wash and chop the potatoes. Peel and chop onions
Heat the oil in a pot. Brown the onions and potatoes in it. Pour 2 l water and porcini mushrooms with soaking water. Stir in stock. Bring everything to the boil, then cook for about 20 minutes
Clean, wash and slice the mushrooms (e.g. with an egg slicer). Fry them in hot fat for about 5 minutes until golden brown
Wash the parsley and chop finely. Mash the potatoes in the broth. Stir in cream, bring to the boil. Season to taste with salt and pepper. Stir in parsley and mushrooms