01 - Place peppermint leaves in a clean, sealable glass jar and pour vodka over to fully submerge the leaves.
02 - Seal the jar and store in a cool, dark place for 1 to 2 weeks, shaking gently every few days.
03 - After steeping, strain the vodka through a fine mesh strainer or cheesecloth, discarding the leaves.
04 - In a small saucepan, combine sugar and water; heat over medium, stirring until sugar dissolves. Allow to cool to room temperature.
05 - Mix the cooled syrup with the strained peppermint vodka, stirring thoroughly to combine.
06 - If desired, add 2 to 3 drops of natural green food coloring to achieve a minty hue.
07 - Transfer the cordial to a sterilized bottle using a funnel. Store in the refrigerator or a cool, dark place and serve chilled.