Identify the beverage associated with the letter "T".

The beverage associated with the letter "T" is tea. This choice is the most fitting because the question specifically asks for a beverage that starts with the letter "T." Tea is a widely consumed drink that can be enjoyed in various forms, including loose leaf, bagged, iced, or brewed, making it a versatile option.

The other beverages listed do not start with the letter "T." Misto refers to a coffee beverage featuring half brewed coffee and half steamed milk. Latte macchiato is made by adding espresso to steamed milk, and espresso macchiato consists of espresso topped with a small amount of foamed milk. Therefore, none of these choices align with the requirement of beginning with "T," confirming that tea is the only suitable option.