102 A tureen is a deep boal with a lid keep the contents warm. Individual soup cups or, for a number of people, one large tureen may be used as an alternative to the plate service of(pre filled soup bowls individual soup cups(occasionally with covers may be offered in a silver service procedure while service from a large tureen is best performed at a gueridon. The use of a tureen ensures that the soup stays hot until it is served at table