Take cornflour, sugar, milk and ghee in a nonstick kadai and mix well.Now put it in on heat and keep on whisking.It will get thick and and thick and thick. You have to keep on cooking and stiring on medium high heat.At one stage you will see that the mixture leaves the sides of the pan and comes in one big mass around the spoon.Now add in 2 tblspn of ghee and rose essence mix well. This whole process will take around 15 to 20 mins.