These cookies have more chocolate flavor than traditional tiramisu. The cookie base is largely made up of melted chocolate, which leads to a brownie like taste and texture to the cookies. Layered in between is the mascarpone filling. Beaten together with butter, powdered sugar, and a touch of brandy this rich, yet light, mascarpone filling perfectly complements the chocolate-espresso sandwich cookies. For added fanciness, I sprinkled cocoa powder over the mascarpone filling…