So far in previous posts we have spoken about the ambiance and the coffee bean itself as being some of the key ingredients into what we believe makes a great coffee. Before the coffee is put into the expresso machine the coffee bean itself needs to be ground into fine particles. This should be done as close to the time as it will be used in the coffee machine group head so that the coffee is as fresh as possible. For an espresso machine a super fine ground works best. You may be more familiar with your course ground coffee which you use in your home percolater or french press.…