Wash the meat and dab dry. Clean, wash and cut the leek into rings. Boil up chicken soup. Cook meat and leek for about 10 minutes on low heat. Remove meat and dice. Peel both bananas, mash one with lemon juice and cut one into slices.
Stir the crème frîache into the soup. Add diced meat and banana slices. Heat the soup briefly. Season to taste with salt, curry, paparika and pepper. Garnish with parsley leaves and sprinkle with paprika