In a skillet, melt butter & sprinkle sugar evenly over it. Add peeled, sliced persimmons & sauté until liquid is bubbling & lightly golden. Reduce heat & continue cooking until persimmons are tender. If you wish, thicken any juices with the cornstarch. Remove from heat & divide evenly into 6 ramekin dishes. Sprinkle persimmons evenly with five-spice & salt.