Since Starbucks announced its 2025 summer menu on May 19, the Iced Horchata Oatmilk Shaken Espresso has been a breakout hit.

"The Iced Shaken Espresso combines the horchata flavor with our beautiful Blonde Espresso, and the Horchata flavor is also delicious in a matcha latte or Frappuccino," said Starbucks brand manager ...