If you are not happy with the flavor of the espresso, it may be your espresso pot's fault. Whether or not you do have a one-cup maker, Moka pot, or reliable drip coffee maker, it should be cleaned frequently to remove mineral deposits that are not delicious in the cup. https://arthurxbeil.westexwiki.com/836162/the_fact_about_cleaning_that_no_one_is_suggesting