Edamame Falafel with Spicy Coriander Sauce

Name: Edamame Falafel with Spicy Coriander Sauce
Ingredients: 1/2 pound dried chickpeas, soaked according to package instructions and drained; 10 ounces frozen shelled edamame, thawed; 3/4 cup roughly chopped fresh parsley; 1 1/2 teaspoons ground cumin; Coarse salt and ground pepper; Vegetable oil; 1/2 cup sour cream; 1/4 cup mayonnaise; 1 1/2 teaspoons ground coriander; 1/4 to 1/2 teaspoon cayenne pepper