I make this in a vitamix so I don't know how well it would do in an average blender or food processor but if anyone tries that out please leave a comment as to how it turned out.
The juice is a simple as this:
1) Add a handful of greens (kale, spinach, beet greens, cilantro, parsley, mint (or any combo) ,...), 2 stalks of celery, 1 cucumber, 1/2 peeled lemon to a blender. Fill the rest of the blender with water. A couple drops of liquid stevia is a nice addition. Blend for around 1 minute.
Cheers to good juice and good health!!