Peppermint Cookie (Korean: 박하사탕맛 쿠키, bakasatangmat kuki, "Mint Candy Cookie") is an Epic Cookie released alongside their Pet, Paper Boat Sailor. They have the ability to summon a whale to ride on and dolphins to collect Jellies.

They were released alongside the introduction of Rainbow Cubes and Medal Exchange Center in the last portion of the Happy Holidays update. Additionally, they received a Magic Candy and a Trial during the Tower of Frozen Waves update.