Cook the barley in a large pan of lightly salted boiling water for 24-30 minutes until al dente; drain, rinse and leave to cool
Blanch the broccoli in a pan of boiling water for 2 minutes until just tender and still bright green; rinse in cold water and drain well
Whisk the dressing ingredients together
In a large bowl, toss together, the barley, broccoli, spring onions, spinach or rocket or mixed salad leaves, mint and dressing; serve sprinkled with the toasted cashews roughly chopped
4 servings