Can be prepared in 45 minutes or less.

Ingredients

　　1 tablespoon red-wine vinegar

　　1/4 cup olive oil

　　4 bunches of watercress, coarse stems discarded, rinsed and spun dry  (about 14 cups)

　　1 1/2 cups radishes, cut into julienne strips

　　In a large bowl whisk together the vinegar and salt and pepper to taste, add the oil in a stream, whisking, and whisk the dressing until it is emulsified. Add the watercress and the radishes and toss the salad well.