Cook the orzo according to package directions. Drain.
Transfer the orzo to a serving bowl and toss with the olive oil, scallions, parsley, orange zest and salt and pepper. Serve warm or room temperature.
Notes
Make Ahead Orzo
This Orange and Herb Orzo is delicious warm, and also at room temperature. If you want to make it up to two days ahead, just bring it to room temp before serving.Or make the orzo up to 4 days before serving, toss it with the olive oil, and tuck in the fridge. Then and either mix it with the rest of the ingredients before serving, and serve cool, or you can warm up the orzo in the microwave before adding in the scallions, parsley, orange zest and salt and pepper.