What is wonka bar scrumdiddlyumptious?

Wonka Bar Scrumpdiddlyumptious is a fictional chocolate bar from Roald Dahl's book, Charlie and the Chocolate Factory. The Wonka Bar Scrumpdiddlyumptious is described as being made with bits of toffee, cookie dough, and buttercream, all mixed with chocolate fudge. It is said to be the most delicious chocolate bar in the world, and is the prize that one lucky child in the book receives as part of Willy Wonka's golden ticket contest. The bar has become a cultural icon and has been replicated in various forms, including in candy bars sold by the Wonka Candy Company.