01 -
In a medium saucepan, combine apple juice, brown sugar, and cinnamon stick. Heat over medium and stir constantly until sugar dissolves.
02 -
Allow mixture to simmer gently for 5 minutes until slightly thickened, then remove from heat and stir in vanilla extract.
03 -
Transfer syrup to a clean jar with a tight-fitting lid and set aside to cool.
04 -
Fill a shaker with ice, add espresso shots and apple crisp syrup. Seal tightly and shake vigorously until well mixed and chilled.
05 -
Pour shaken espresso mixture into a tall glass filled with ice. Top with oat milk and sprinkle with cinnamon before serving.