What do you get when you combine TWIX Caramel Cookie Chocolate Candy Bars with the iconic flavor of cookie dough? A batch made in heaven. New TWIX Cookie Dough Milk Chocolate Bars add a nostalgic experience to the simple joy only a TWIX chocolate bar can bring. Made with cookie dough flavored crème with cookie bits, crunchy cookie and milk chocolate, everyone is going to want to put their hand in the cookie jar.