Step 1: Add water, cane sugar, and ginger to a saucepan. Once at a boil, remove from heat and allow to cool.
Step 2: Strain simple syrup through a fine mesh strainer into a sealable container.
Step 3: – Fill cocktail shaker with ice, add vodka, lemon juice, and ginger simple syrup. Shake. Add a splash of club soda if desired.