Combine all ingredients in a large pitcher. Stir to combine.
Cover and refrigerate for 2 hours.
Serve in a glass with ice.
Cinnamon Simple Syrup Recipe:Bring 1 cup sugar, 2 cups water, and 1 teaspoon ground cinnamon to a simmer over medium-high heat until sugar is completely dissolved. I usually let the mixture simmer for about 10 minutes to create a thicker syrup. Allow syrup to cool completely.