Starbucks has a horchata hit on its hands.. A newcomer on the specialty coffee chain's summer menu, the Iced Horchata Oatmilk Shaken Espresso, is selling at a better pace than any Iced Shaken ...

Starbucks' summer 2025 lineup includes a brand-new iced shaken espresso inspired by horchata. Here's what to know about the drink, plus taste test results.