Taste Test: Starbucks Dark Chocolate Brownie Oatmilk Frappuccino Similar to my quandary about the caramel waffle cookie flavor, I wondered how a brownie's taste might translate to a bottled beverage.

And as if that wasn't enough, it comes topped with whipped cream, caramel sauce, and cinnamon. At Starbucks locations across Japan, customers can order the Merry Berry Strawberry Frappuccino ...