Chopped Salad with Apple Vinaigrette

Name: Chopped Salad with Apple Vinaigrette
Ingredients: 1/2 cup apple juice; 1 cinnamon stick; Three 1-inch strips of lemon zest; 2 tablespoons cider vinegar; 1 medium shallot, minced; Salt and freshly ground pepper; 1/4 cup grapeseed or vegetable oil; 1 small celery root (1/2 pound), peeled and finely diced; 1 medium seedless cucumber, peeled and diced; 2 large carrots, finely diced; 2 cups red seedless grapes (6 ounces), halved; 4 ounces feta cheese, cut into small dice (1 cup); 5 cups mesclun or other mixed greens (5 ounces); 2 romaine lettuce hearts, coarsely chopped