These Espresso Millionaire Shortbread Bars, made with three layers of buttery shortbread, enticing espresso caramel and melted dark chocolate, are a reinvented classic you won't be able to resist. I'm so excited to bring you this Espresso Millionaires Shortbread recipe as it comes straight out of the pages of my now PUBLISHED, yes-published cookbook, Simply Sweet Nostalgic Bakes. An espresso-infused caramel is sandwiched between buttery shortbread and luxurious dark chocolate. Continue readin...