Let espresso shot and brewed coffee cool down for a few minutes.
Now pour brewed coffee into the glass.
put iced cubes into a large glass.
Pour coffee into the iced cubes glass.
Optionally, add any sweetener, flavor, or milk.
Stir it well before serving.
Notes
this flavor is a fantastic solution if you want to stay awake at night; with high caffeine, it will keep you away from sleep. In the morning, a cup of red eye iced coffee will energize you for the day.