• Wash mint in cool water, taking care not to remove the leaves from the stems.
• Pat mint leaves dry with paper towels.

Air drying method

• Tie the ends of the mint branches together with kitchen twine.
• Hang in a cool dry place.
• When the leaves start to get dry and brittle, about 3-4 days, remove the bunch and remove the leaves from the stems.

Oven method

• Remove leaves from stems. Discard stems.
• Place the leaves on a baking sheet in a single layer.
• Heat the mint leaves in the oven at 180° F for two hours. Check them to see if they've dried out completely. If so, they're done. If they are not yet dry, continue warming in the oven and checking on them in 15-minute intervals. Watch them carefully during this time to make sure they don't burn.
• It can take as long as four hours for them to dry completely. 

Store dried mint leaves

• If leaving as mint leaves, store dried leaves in an airtight container in a cool, dry, dark place until ready to use.

Crush mint leaves and store

• If crushing for dried mint, you can crush by placing leaves in a mortar and crushing with a pestle. Or, place in a plastic bag and crush with a rolling pin. You can also crumble with your hands until the leaves are crushed.
• Place crushed mint leaves into an airtight container. Label and store in a cool dry dark place and use as needed.