Add onions; cook, stirring occasionally, until softened, 10 to 14 minutes. Stir in coriander mixture; cook, stirring constantly, until fragrant, about 1 minute.

1 lb white fish, cleaned 1 tablespoon vegetable oil 1 onion, finely chopped 2 cloves garlic, minced 1-inch piece of ginger, grated 2 tomatoes, chopped 1 tablespoon curry powder 1/2 teaspoon ...