Set roughly chopped onion, garlic cloves and parsley in a food processor. Pulse a few times
Add drained chickpeas, cumin, salt and ground pepper and blend again. Blend untilgranulated texture
Transfer mix to a bowl and add chickpea flour. Stir very well and let it rest for 5 minutes. After that, you should be able to form the falafel bowls, add one more tablespoon of chickpea flour if needed.
Pressing very well with your hands, roll mixture into 14-16 falafels. Its easier to make one by one and fry them at the same time. Only there they will be hard enough. To fry them add olive oil to a heated skillet and roll them over when they get brownish in the base.
Place them in a paper towel to drain the excess oil.
Serve them with green leaves, cherry tomatoes and tahini sauce