Preheat the oven to 375 F.
Cook the rice according to package instructions.
Add chickpeas, onion, garlic, oil, lemon juice, cumin, baking powder and flour into a food processor and pulse until just combined.
Scoop spoonfuls of mixture out and form into small patties; you should get about 15. Place on a parchment-lined baking sheet Bake 10-12 minutes, flip patties and bake for another 10-12 minutes or until falafel are golden and cooked through.
Meanwhile, combine the cucumber, tomato and onion in a medium-sized bowl.
When falafels are done cooking, assemble bowls with brown rice, cucumber salad and falafels. Top with hummus and tzatziki! Enjoy