This syrup is delicious in Eben Klemm's Rosemary Gin Fizz and Vinho Verde Punch. Cocktail Party Recipes
Combine all of the ingredients in a saucepan. Bring to a boil, then simmer over moderately low heat for 2 minutes. Remove from the heat and let steep for 10 minutes. Strain the syrup and chill.
The syrup can be refrigerated for up to 1 week.