Cook your potstickers according to packaging instructions. Set aside to cool slightly
Cut the ends from the cucumber and smash with a meat tenderizer a few times. Cut into smaller pieces if necessary. Place cucumber pieces in a bowl and add a big pinch of salt. Set aside for 15 minutes
In a bowl combine the sauce ingredients and mix well
Drain cucumbers, add potstickers to the same bowl and pour the sauce over. Mix well and top with additional sesame seeds