Melt the butter in a frying pan and brown off the chicken supreme, transfer to a baking dish.
Add the stock, wine, turmeric and rosemary to pan, mix well and then pour over the chicken, cover and transfer to oven set at 180 degrees for 25 minutes.
Blanch the lemon zest in for 2 minutes.
Pour the liquid off from the chicken into a pan and thicken with the arrowroot which has been mixed with a little water.
Add the juice from the lemon and the blanched lemon strips, when thickened add the cream.
Slice the supreme into thick slices, arrange in a baking dish and pour over the sauce.