How much ice is added to an iced coffee (black)?

When making an iced coffee at Starbucks, the standard preparation involves filling the cup with ice to the top line. This ensures that there is enough space in the cup for the coffee itself, while still maintaining the right balance between the ice and the beverage. Adding ice to the top leads to a more refreshing drink, as the ice will chill the coffee and help preserve its temperature.

Choosing to fill the cup with ice to the top also allows customers to enjoy a full volume of liquid, resulting in a satisfying experience, as well as helping to maintain the flavor integrity of the iced coffee as the ice melts over time. Other levels of ice would not provide the same volume or chilling effect, which is why this preparation method is preferred for iced coffees.