Starbucks lists its ingredients for the iced brown sugar oat milk shaken espresso as: oat milk, espresso, brown sugar syrup, and cinnamon powder. Because this oat milk creamer has a flavor of ...

a Few Tips Although we didn't like the Starbucks recipe as is, that's not to say you can't make a really delicious shaken espresso at home. Here's what would make it better. Add oat milk only as ...