Start by gathering all the necessary ingredients and equipment listed above.
In a saucepan, combine equal parts water and sugar over medium heat.
Stir until the sugar has completely dissolved.
Add vanilla extract or vanilla bean paste to the mixture and continue stirring.
Allow the syrup to simmer for about 10 minutes, stirring occasionally.
Remove from heat and let it cool completely before transferring it to a jar or bottle.
Store the homemade vanilla coffee syrup in the refrigerator for up to two weeks.
Enjoy your personalized, flavorful syrup in your coffee or other beverages.