Remove any seeds from the watermelon and cut into chunks.
Wash and finely chop the mint leaves.
In a blender, combine watermelon, Greek yogurt, mint, and optional honey. Blend until smooth.
Pour the mixture into silicone molds.
Freeze for at least 3–4 hours or overnight until solid.
Pop out of molds and store in an airtight container or freezer bag.
