- 6 ounces watercress, coarse stems discarded (6 cups)
- 1/4 pound frisée (French curly endive), torn into 2-inch pieces (4 cups)
- 2 tablespoons extra-virgin olive oil
- 2 tablespoons red-wine vinegar
- 2 teaspoon finely chopped shallot
- 1 Granny Smith apple
- 1/2 medium celery root (1/2 pound), peeled
- an adjustable-blade slicer fitted with an 1/8-inch julienne blade
- Put watercress and frisée in a large serving bowl.
- Whisk together oil, vinegar, shallot, 1/4 teaspoon salt, and 1/8 teaspoon pepper in a small bowl.
- Julienne apple lengthwise using slicer until you reach core, then rotate and continue. Add to greens. Julienne celery root and add to greens.
- Toss salad with vinaigrette and salt and pepper to taste.