Espresso is a fast coffee brewing method that was discovered and introduced to the world by the Italians in the 1900s, using the power of pressure.Espresso is served in small portions and has a very strong taste and a dense consistency.Espresso is rich in flavor and high in caffeine per milligram.Esperesso coffee is much harder to drink than filter coffee. That's why Espresso is a type of coffee that not everyone likes and consumes. In order to soften and flavor the taste of espresso; Additions such as milk, caramel, chocolate can be made. These types of espresso-based coffees have sweeter, lighter flavors and are more popular.