Scoop out the seeds of the honeydew with a spoon. Scoop out the flesh with the same spoon or cut off the skin with a knife.
Cut the honeydew flesh into small cubes.
Put the honeydew and mint in the blender. Squeeze the lemon directly over them.
Process everything together until smooth.
Strain the mixture for an even smoother texture.
Ladle or pour the strained liquid into glasses and serve at once.