01 -
Brew two shots of espresso, yielding about 3 oz, and pour into a 2-cup glass jar.
02 -
Incorporate 1 to 2 tablespoons of brown sugar cinnamon syrup into the espresso. Fill the jar with ice to chill.
03 -
Securely close the jar and shake vigorously for 15 to 20 seconds until the mixture is combined and frothy.
04 -
Pour 4 to 6 fl oz oat milk over the shaken espresso. Stir gently, then serve immediately.