Shake longer for thicker foam or less for smoother texture. Freeze leftover coffee into cubes for colder drinks without dilution. Strain slowly during assembly for cleaner foam layers. Customize flavors with caramel, hazelnut, or chocolate syrup. Store leftover coffee mixture refrigerated for one day and shake before serving.
Keyword Bristle Cookie, Coffee Cocktail, Espresso Martini, Ice Cream Cookie, Single Girl Espresso Martini Coffee