The classic mean green juice from the movie Fat, Sick, and Nearly Dead made in a blender!
1) Peel the cucumber and roughly dice it.
2) Optionally peel apples and cut them into pieces. Cut out core of apple.
3) Add apple and kale to a blender with water. Pulse a few times.
4) Scoop out half a lemon and add the whole thing to the blender along with cucumber, chopped celery, and ginger.
5) Blend until smooth.
6) Serve immediately or chill for later.