Rinse the maties under cold running water, dab dry and cut into bite-sized pieces. Drain mandarins and corn separately on a sieve. Collect the mandarin juice.
Mix the herbs, mandarins and corn and put them in a bowl. Peel and finely chop the onion. Mix yoghurt, mayonnaise, onions, curry and mustard. Season with tangerine juice and salt. Pour sauce over the salad and sprinkle with a little curry.
Wash the dill, dab dry and pluck off small pieces. Sprinkle over the salad before serving. Serve with dark wholemeal bread with butter.