How do you spell scrumdeliumtious?

The informal term is a Willy Wonka candy from "Charlie and the Chocolate Factory" and is spelled scrumdiddlyumptious, capitalized as part of the name of an actual Nestle's candy bar:

The Wonka Scrumdiddlyumptious Chocolate Bar.

*The nonsense term diddly was added to the middle of the actual Word scrumptious by author Roald Dahl.