In food processor, pulse garlic, scallion whites, and 1/2 cup baby kale until very finely chopped. Add chickpeas, lemon zest, flour, cumin, coriander, and 1/2 tsp salt and pulse to combine (chickpeas should be chopped but coarse). Form mixture into twenty-four 2-tablespoon balls.
STEP 2
Heat air fryer to 325°F. Brush insert of basket with oil and add 12 falafel. Air-fry 15 minutes. Brush falafel with 1 tablespoon oil and increase air fryer temperature to 400°F. Air-fry until deeply golden, 4 more minutes. Repeat with remaining falafel.
STEP 3
In large bowl, whisk together lemon juice and remaining 2 tablespoons olive oil. Add cucumbers and marinate, 5 minutes. Add remaining 6 cups baby kale, parsley, and mint leaves, scallion greens, and 1/2 tsp salt and toss. Top with falafel and dollop of yogurt.