In a saucepan, combine the water, honey, cinnamon sticks, and vanilla extract.
Bring the mixture to a boil, then reduce the heat to low and let it simmer for 10 minutes.
Once done, remove the saucepan from heat and allow the syrup to cool.
Store the syrup in a container in the fridge for later use.
To serve, fill a glass with ice cubes.
Pour in the coffee and adjust the flavor with the chilled syrup and a splash of your preferred milk.
