01 - Gently bruise the peppermint leaves with your hands or a muddler to release their oils.
02 - Place the bruised peppermint leaves in a clean, sterilized glass jar.
03 - Pour the vodka over the peppermint leaves, ensuring they are fully submerged.
04 - Seal the jar tightly and store in a cool, dark place for 4 to 6 weeks, shaking gently every few days.
05 - Strain the infused liquid through a fine mesh sieve or cheesecloth into a clean bottle, discarding the leaves.
06 - Keep the peppermint flavoring in a sealed container at room temperature until use.