<Tr> <Th> Type </Th> <Td> pastry </Td> </Tr> <Tr> <Th> Main ingredients </Th> <Td> Dough, glaze or icing </Td> </Tr> <Tr> <Td_colspan="2"> Cookbook: Long John (pastry) Media: Long John (pastry) </Td> </Tr> <P> The Long John is a bar - shaped, yeast risen pastry often coated with glaze or icing . In some parts of the United States, such as the southern Indiana region, unfilled bar doughnuts are called Long Johns and their filled counterparts are called éclairs . In other parts of the United States, such as the Mid-Atlantic, Long Johns are marketed as éclairs; the two pastries look similar but are created with different types of dough and fillings . </P>

How did the long john doughnut get its name