Preheat a medium pot with oil over medium temperature.
In a bowl, combine the flour, pepper, chili and salt. Make a well in the center.
Add the spinach juice and beaten egg. Mix till a smooth consistency is reached.
One at a time, coat a fresh spinach leaf with the batter and fry for a few seconds till crispy.
Sprinkle with salt and allow excess oil to dry over a kitchen / paper towel.