Looking for a show-stopping treat that perfectly balances deep, dramatic cocoa with tropical warmth? These Black Banana Rum Cookie Bars are the ultimate sophisticated indulgence. By pairing an intense, dark-as-night black cocoa biscuit with a luscious banana-and-rum-infused dark chocolate ganache, this recipe creates an unforgettable flavor profile. Encased in a beautifully speckled Callebaut W2 white chocolate and black cookie shell, these bars deliver a gorgeous contrast of textures—from the snap of the tempered chocolate to the silky smooth ganache and the crunch of the sable. Best of all, this impressive, patisserie-level dessert is surprisingly easy to assemble!