1. In a food processor, combine chickpeas, parsley, cilantro, onion, garlic, cumin, coriander, salt, baking powder, and flour. Pulse until well combined but not pureed.
2. Form the mixture into small balls or patties.
3. Heat olive oil in a frying pan over medium heat. Fry the falafel until golden brown on all sides, about 3-4 minutes per side.
4. In a large bowl, combine mixed greens, cherry tomatoes, cucumber, red onion, and olives.
5. Top the salad with the cooked falafel and drizzle with tahini dressing. Serve immediately.