Wash and dry the watercress. Trim the stems and discard.
Slice the avocado into thin slices. Slice the hard-boiled egg, Peel the clementine and break into sections.
Arrange the watercress on a couple of plates. Top the watercress with the avocado, hard-boiled egg, and clementine sections.
Drizzle the vinaigrette over the salad.
Vinaigrette salad dressing-
Mix together the minced garlic, red wine vinegar, soy sauce, and sugar. Slowly pour the olive oil into the mixture, whisking as you pour the oil in.
Store the watercress in the refrigerator along with the dressing.