01 - Lightly bruise the peppermint leaves using a rolling pin or your fingers to release their essential oils.
02 - Place the bruised leaves into a clean glass jar with a tight-fitting lid. Pour vodka over the leaves, ensuring full submersion.
03 - Seal the jar and store it in a cool, dark location for two weeks, gently shaking every few days to aid infusion.
04 - After two weeks, taste the liquid; if a stronger flavor is desired, continue infusing for up to an additional week.
05 - Filter the mixture through a fine mesh sieve or cheesecloth into a clean bottle, discarding the peppermint leaves.
06 - Keep the extract sealed in a bottle away from direct sunlight and use as needed.