Wash the potatoes and cut into small cubes. Finely dice the onion
Heat the fat in a small pot. Sauté the onion in it until transparent. Add the potatoes and fry while stirring. Sprinkle with curry and sauté briefly
Pour in a good 200 ml of water, bring to the boil and stir in the stock. Cover and cook for about 15 minutes
Take out some potato pieces. Mash or mash the remaining potatoes briefly. Refine soup with cream. Season to taste with salt and pepper. Add potato cubes again and heat up. Arrange the soup in a deep plate and garnish with coriander if necessary