Quick and Easy Falafel Recipe

1 (15-ounce) can chickpeas, drained and rinsed
1 tablespoon minced garlic
1 medium onion
2 tablespoons finely chopped fresh parsley
1 teaspoon ground coriander
3/4 teaspoon ground cumin
1/2 teaspoon salt
Freshly ground black pepper, to taste
2 to 3 tablespoons all-purpose flour