Onions peel, roughly dice. Potatoes peel, wash and roughly dice. Clean, wash and cut leek into rings. Clean watercress, pluck off leaves and wash. Wash parsley, chives, sorrel and chervil, shake dry and chop. Clean, wash and thinly slice radishes
Heat the oil in a pot. Steam leek, onion and potato cubes in it at medium heat for 3-4 minutes until colourless. Deglaze with white wine, cream and stock. Simmer for 15-20 minutes, stirring occasionally. In the meantime, boil eggs in boiling water for about 8 minutes, drain and chill
Add chopped herbs to the soup, except for some for garnishing. Finely puree with a blender. Season to taste with salt and pepper. Peel and halve the eggs. Serve the soup with the remaining chopped herbs, radish slices and egg halves