Chickpea Dumplings in Curried Tomato Sauce

Ingredients

• 1 c garbanzo bean flour
• 1/2 c finely chopped mustard greens or spinach
• 1/3 c canola oil plus 2 tablespoons, divided
• 1/4 cup finely chopped red onion
• 1/4 cup whole-milk plain yogurt
• 1/4 cup finely chopped serrano or jalapeño pepper
• 1/2 teaspoon salt
• 3-1/2 c. finely chopped mustard greens or spinach
• 1/2 onion
• 1/2 tsp. cumin seeds
• 1 teaspoon mustard seeds
• 4 cloves garlic
• 1 tablespoon minced fresh ginger
• 2 teaspoons ground coriander
• 1 teaspoon ground cumin
• 1 tablespoon curry powder
• 1 can (15 ounce) can diced tomatoes, undrained
• 1 can (15 ounce) can tomato sauce