If you would like you can spoon a small amount of the foam in each cup for people with guests. Some say, this enhances the flavor. It is difficult for the same volume of foam into each wineglass. The history of coffee makers have been lost from generation to generation, and Plastic nobody knows much with regard to the history of coffee ... on the coffee machine, the coffee will still cook, that resulted within a bitter try. If you won't use it all before it cools, position it in a thermos....