This streamlined copycat Starbucks recipe for Iced Brown Sugar Oat Espresso is simple to make, with a few ingredients. Strong espresso coffee, sweetened with brown sugar syrup, shaken with ice and topped off with creamy oat milk.
In a small bowl or jar, combine light brown sugar and hot boiling water. Stir until the sugar has dissolved.
Make the drink:
Prepare 3 shots of espresso coffee.
To a tall mason jar (2 cup capacity), add in the espresso coffee, 2-3 tablespoon brown sugar syrup (or to your taste), vanilla extract, cinnamon, and top with ice.
Secure a lid to the jar and carefully shake, until frothy. (Or add the ingredients to a cocktail shaker).
Remove the lid and top with oat milk.
Top with a dusting of ground cinnamon, stick in a straw, give it a stir and enjoy.