Add in ice, then milk and vanilla syrup. Carefully pour in the freshly brewed espresso. Mix and enjoy!
Notes
For Blueberry Syrup:
In a saucepan, mix together:
1 1/2 frozen blueberries
1 cup water
1 cup granulated sugar
1 tsp of vanilla
Cook the Syrup: Stir the mixture until well combined. Bring it to a boil over medium heat, then reduce the heat and let it simmer for about 5 minutes, or until the syrup has thickened slightly.
Cool and Store: Remove from heat and let it cool. Transfer to a clean jar or bottle and store in the refrigerator for up to 2 weeks.