500g simple syrup (equal parts sugar and water)
10g crushed cinnamon sticks (not fully ground)
pinch of salt
Fill a large pot with water and place a water circulator in the pot set to 145ºF
Combine simple syrup, cinnamon sticks, and salt in a sous vide vacuum bag
Seal the bag but do not vacuum the air out
Place the bag in the water bath completely submerged for 2 hours
Place the bag in an ice water bath until cooled to room temperature.
Strain the cinnamon syrup through a cheesecloth lined mesh strainer.
Transfer to a storage container and refrigerate until ready to use
Keeps up to 2 weeks