In a medium pot, place the pearl barley and water. Bring to a boil. Reduce to simmer, on low, for 30 minutes. The barley should be tender and all the water absorbed. Allow to cool slightly.
In a large bowl, combine the remaining salad ingredients. Add the cooled barley. Toss with the dressing to coat.
Divide the salad into meal prep containers and refrigerate until ready to eat.
For the Dressing
In a mini food processor, add the dressing ingredients and blend to combine.