01 - Lightly bruise the peppermint leaves by rolling them between your fingers to release their oils.
02 - Place the bruised leaves in a clean glass jar with a tight-fitting lid.
03 - Pour the vodka over the peppermint leaves, ensuring they are fully submerged.
04 - Seal the jar and store it in a cool, dark place for infusion.
05 - Shake the jar gently every few days during the steeping period.
06 - After 4 weeks, strain the mixture through a fine mesh sieve or cheesecloth into a clean bottle, discarding the leaves.
07 - Seal and store the peppermint extract in a cool, dark place. Use as needed.