01 - Lightly crush the peppermint leaves to release their oils.
02 - Place the crushed leaves into a clean glass jar with a tight-fitting lid.
03 - Pour the vodka over the leaves, ensuring they are fully submerged.
04 - Seal the jar and store it in a cool, dark place for 4 weeks, shaking gently every few days.
05 - After 4 weeks, strain the mixture through a fine mesh sieve or cheesecloth into a clean bottle, discarding the leaves.
06 - Keep the peppermint extract in a sealed bottle away from direct sunlight and use as needed.