Ventaxan Volcano Sundae was a Ventaxan dessert served at Quark's on Deep Space 9. In 2370 Nog and Jisko ordered to as a treat for themselves after they rescued the alien creature Babe from Darm. They are described as desserts that are set afire, resembling a volcano.
Babe accidentally created an illusion of a giant Ventaxan Volcano Sundae causing chaos to break out in the bar. (DS9 novel: The Pet)