Toast the orzo for 1–2 minutes ... Simmer gently for 2 minutes then stir in the lemon zest and juice. Add the nutmeg and season to taste (it will probably not need more salt but will definitely ...
To finish, add the orzo, cooked chicken, Parmesan and lemon juice to the pan. Season with salt and pepper and toss together until warmed through. Serve in bowls.