Espresso is one of the most popular ways to enjoy coffee, but how much do we really know about the drink in our cup? From the idea that espresso is a special type of coffee bean to the belief that a good espresso should always taste bitter, many common assumptions can change the way we understand coffee. The truth is that espresso is a brewing method, and its flavor depends on how the coffee is prepared and extracted. The beans, roast, grind size, dose, and extraction all pla