Peel the pumpkin, remove seeds and cut the flesh into cubes. Peel, wash and dice carrots and potatoes. Peel and finely dice the onion. Melt the fat. Sweat the vegetables for about 5 minutes.
Deglaze with 1 1/4 liter of water. Season with salt and cayenne pepper and bring to the boil. Simmer covered for about 15 minutes. In the meantime, remove the sausage from the skin and dumplings and place in boiling salted water.
Cook for approx. 2 minutes, then remove. Wash the chives and cut into small rolls. Puree half of the soup with the chopping stick. Refine with cream, season again and add the dumplings.
Arrange in small bowls, sprinkle with pumpkin seed oil and sprinkle with pumpkin seeds and chives.