Rinse mushrooms well and soak in 100 ml of lukewarm water. Clean or peel and wash the soup greens. Peel onion. Dice everything roughly. Boil up the soup greens, onion, bacon, bay leaf and 1-11/4 l water. Simmer for about 20 minutes.
Peel, wash and chop the potatoes. Drain the mushrooms and collect the soaking water. Finely chop the mushrooms. Add potatoes and mushrooms together with the soaking water to the broth. Season with salt and pepper, simmer for another 20 minutes
Remove the bacon and bay leaf. Finely dice the bacon and fry it crisply in a pan without fat. Wash the chives, shake dry and cut into fine rolls
Finely puree the soup. Stir in cream and bring to the boil again briefly. Season to taste with salt and pepper. Sprinkle with chives and bacon cubes