Homemade Milkmaid/Sweetened Condensed Milk Chocolates

Heat a sauce pan and add some butter or cheese and let it melt. Once the butter/cheese is melted,pour two cans of sweetened condensed milk and stir well.Then add 2 to 3 tablespoon of cocoa powder and mix well.Now reduce the flame to low and keep stirring continously.Add a teaspoon of sugar if required and mix well. Then cook the chocolate till it becomes thick.Remove from fire and let it cool for about 40 to 45 minutes.Then rub some butter in your hands and take some of the chocolate mixture and make them into small balls and put in a container.Then store them in the freezer for a couple of hours.Serve chilled.