How to Make It
Cook the barley according to the package directions; drain and rinse under cold water to cool.
Meanwhile, in a small bowl, whisk together the oil, lemon juice, ½ teaspoon salt, and ¼ teaspoon pepper.
In a large bowl, combine the barley, arugula, turkey, and cranberries. Drizzle with the vinaigrette and toss to combine.