Peel and quarter the pineapple and cut out the stalk. Cut the flesh into small pieces. Wash dates, dab dry and cut in half. Remove stone, cut flesh into small pieces.
Mix lime or lemon juice and syrup. Turn the pineapple, dates and coconut chips in the marinade and leave to stand for about 30 minutes. For the sauce, mix yoghurt, double cream, lemon juice, vanillin sugar and sugar. Serve with salad