Apple and Celery Salad with Peanuts

Ingredients

 * 2 tablespoons fresh lemon juice
 * 1/2 teaspoon Dijon mustard
 * 1/4 cup olive oil
 * 3 crisp red apples, cut into 1/4" thick julienne
 * 2 tart green apples cut into 1/4" thick julienne
 * 4 large celery ribs, cut into 1/4−inch−thick julienne
 * 1/4 cup chopped fresh parsley
 * 1/3 cup dry−roasted peanuts, coarsely chopped

Directions

 * 1) Whisk together lemon juice and mustard in a large bowl.
 * 2) Add oil in a stream, whisking until emulsified.
 * 3) Add apples, celery, and parsley,tossing to coat. Just before serving, sprinkle with peanuts.