Boil the chicken breast, let it cool and cut into large pieces.
Cut the cucumber into strips.
Finely chop the red and green onions.
Chop the Chinese cabbage.
Mix all the chopped ingredients in a bowl and add the corn.
For salad dressing, mix yogurt, sour cream, French mustard in a bowl, add a pinch of salt and black pepper to taste and finely chopped parsley leaves. Mix it.
Season the salad with salt and pepper to taste, pour over the dressing, mix gently and serve.