You have to invent a new type of candy or dessert, but if it's physically impossible or another commenter can prove it already exists, you lose. What are you making?

This is based off a candy in a book, that I can’t tell if has ever been made:

Under its tamarind glaze, luscious pepsin-flavored nougat, chock-full of tangy candied cubeb berries, and a chewy camphor-gum center.