Clean, wash and cut the leek into rings. Drain bamboo and tangerines (collect tangerine juice). Rinse turkey cold and pat dry. Cut into wider strips.
Fry in hot oil for approx. 5 minutes until firm all around. Season with salt and pepper. Add leek and bamboo and fry for about 5 minutes. Dust with curry and flour. Add broth, tangerine juice and cream bit by bit and bring to the boil once.
Cook at low heat for about 10 minutes. Add mandarins shortly before the end of the cooking time. Season if necessary.