A delicious component of our Thin Mint Martini, this mint-cinnamon simple syrup would also be a great addition to an orange-infused iced tea or a ginger-spiced version of a mint julep.
Read more about Drinks That Taste Just Like Girl Scout Cookies.
Bring ingredients to a boil over medium/high heat. Stir until sugar is dissolved. Reduce heat to low and simmer twenty minutes. Chill.