Apple Martini Shrub

2 ounces vodka
1/2 oz. Apple Cider
1/2 oz. Gravenstein Apple Balsamic Vinegar
Cinnamon sugar

Rim martini glass with cinnamon sugar and set aside. Fill a cocktail shaker with ice then add vodka, apple cider, balsamic vinegar and shake until chilled. Strain into rimmed martini glass.