Wash your melon well, slice in two and scoop out seeds.
Slice the honeydew into 1″ chunks and spread out on a baking sheet.
Place in the freezer for 4-6 hours until frozen.
Once frozen, put the chunks in the blender (or use a hand blender) with the lemon juice and maple syrup (add a couple tablespoons of water if needed to help it blend.
Blend until smooth.
Place back into the freezer for another 30 minutes until it sets.