Coarsely chop the walnuts and roast them in a pan without fat. Take out and let cool down. Clean, wash and drain the salad. For the vinaigrette, mix vinegar, salt, pepper and 1 pinch of sugar.
Add oil underneath.
Unfold the dates at the incisions, fill them with the gorgonzola and squeeze them together again.
Peel oranges so that the white skin is completely removed. Cut into very thin slices with a sharp knife. Arrange the orange slices on four plates, slightly overlapping. Distribute the salad on top.
Drizzle with vinaigrette and sprinkle with walnuts. Arrange dates on top.