
Espresso is a unique coffee drink having its origins in Europe and it is the essence of coffee. It is made to produce a dense, bitter-sweet brew with ample crema and persistant after-taste.
Most espresso in the United States is poorly made. It is often over extracted and burnt. Espresso is not a blend but a process of grinding, water pressure, water temperature, and extraction time.
The reason most companies sell coffee as espresso with the dark roasting is because they use the lower cost beans which have higher acid content.