Short Ribs with Dumplings

Name: Short Ribs with Dumplings
Ingredients: 3 pounds boneless beef short ribs; 2 tablespoons canola oil; 1 medium onion, cut into wedges; 1 garlic clove, minced; 1 can (28 ounces) diced tomatoes, undrained; 1 cup beef broth, divided; 2 tablespoons soy sauce; 1 tablespoon sugar; 1/2 teaspoon salt; 1/4 teaspoon pepper; 1/4 teaspoon crushed red pepper flakes; 1/8 teaspoon ground nutmeg; 2 to 3 tablespoons cornstarch; CORNMEAL DUMPLINGS:; 3/4 cup water; 1/2 cup cornmeal; 1 egg, beaten; 1/2 cup all-purpose flour; 1 teaspoon baking powder; Dash pepper; 1 can (7 ounces) whole kernel corn, drained