J Gursey Cloud Coffee Roasters Espresso Reserve extraction by Testing 1 2 3. Rated 5 Star Best in Class. Sweet Caramel & Cacao highlights comprised of a distinctive 4-region proprietary blend characterized by its rich, full-bodied flavor. Espresso Reserve is a signature coffee sourced solely from the world’s top premium plantation beans. It is created through a unique post-blending process in which four coffees from varying regions are individually roasted on a bed of hot air and blended to create a sweet caramel flavor with an intense aroma. When extracted it creates a thick rich crema layer on top, producing a sweet tasting delicious espresso.