In a small pot, heat sesame over medium heat. Add garlic and ginger and cook until slightly brown and fragrant, about 1 minute.
Add the remaining ingredients and stir to combine. Bring to a boil and reduce the heat slightly. Allow to simmer for 8 - 10 minutes and the mixture has reduced. It should coat the back of a spoon.
Remove from the heat and allow to cool. Upon cooling the glaze with thicken more.