Clean, wash and cut the celery into pieces. Cook in boiling salted water for about 1 minute, quench cold and drain on a sieve. Clean, wash and roughly grate the carrots.
Drain the pineapple rings and collect the juice. Cut the rings into pieces. Wash apples, quarter them and cut out the cores. Cut apple quarters into slices. Wash chives, dab dry and cut into small rolls.
Mix mayonnaise, yoghurt, vinegar and pineapple juice and season to taste with salt, pepper and sugar. Mix the carrots, celery and apples and arrange on a plate covered with lettuce leaves.
Pour yoghurt cream over it and sprinkle with chives.