Clean, wash and cut the peppers into large pieces. Peel and finely dice onions and garlic. Heat the oil in a pot. Fry the bell peppers, onions and garlic. Deglaze with vegetable stock and cook for 5-8 minutes at medium heat.
Puree with the cutting stick of the hand mixer. Season soup with salt, pepper, sugar, paprika and Worcester sauce. Simmer for another 5 minutes. Arrange on plates, add some crème fraîche to the soup and pull apart to a "flower" with a wooden skewer.
Garnish with parsley. Add the rest of the crème fraîche in small bowls.