Bring a large pot of salted water to a rolling boil. Add the orzo and cook according to package directions for al dente, adding an extra minute.

Drain and rinse under cold water, drain.

Meanwhile, In a large bowl, combine the dressing ingredients. Add the olives, red onion and brine from the olives and mix to combine.

Stir in the pasta with the cucumber, tomatoes and bell pepper and toss well. Taste for salt and adjust as needed.

Add the cheese just before ready to serve.