Rinse shrimps, drain and defrost. Cut the bacon into small pieces. Clean and wash spring onions, cut into rings. Peel, wash and roughly dice parsnips and potatoes.
Heat the oil in a large pot. Fry the bacon in it until crispy and take it out. Sauté spring onions, parsnips and potatoes in bacon fat. Add wine, 2 l water and broth and bring to the boil. Cover and simmer for about 20 minutes.
Shrimp, chop up to 3 tablespoons. Season with lemon juice, salt and pepper. Puree soup and stir in cream. Season to taste with salt, pepper and nutmeg. Serve soup with bacon and shrimps.