Add the lemon zest and turmeric and stir-fry for about 1 minute, until very fragrant. Add the rice and, using your spatula, mash and separate the grains over medium heat so the rice will heat evenly.
To make the sauce, add the wine (if using) to the pan, stirring well and bubble for 3 minutes to intensify the flavour, then add the stock, orange juice, lemon zest, honey, raisins or sultanas and ...