Place corn syrup, sugar, water & coffee granules in saucepan.

Heat over medium - stirring to combine.

Keep stirring & allow to come to a boil - boiling & stirring about 3-5 minutes

Remove from heat & add evaporated milk & vanilla.

Stir to combine.

Set aside to cool to room temperature before transferring to bottles.

Store in refrigerator for up to 6 weeks.

Heat in microwave for about 30 seconds to bring back to drizzle consistency before serving.