Ingredients:

1 large onion -- sliced 2 cloves garlic -- chopped 2 jalape? chilis -- seeded and chopped 1 (16 ounce) can whole tomatoes -- drained and chopped 2 tablespoons white vinegar 1 1/4 teaspoons ground cumin 3/4 teaspoon ground coriander 4 halibut or other lean fish steaks -- about 1 inch thick (about 2 pounds) Chopped fresh cilantro -- if desired 

Preparation:

Heat oven to 350 Spray 10-inch nonstick skillet with nonstick cooking spray. Cook onion, garlic and chilis in skillet over medium heat, stirring frequently, until onion is tender; reduce heat. Stir in remaining ingredients except fish steaks. Simmer uncovered over low heat 5 minutes, stirring occasionally. Arrange fish in ungreased rectangular baking dish, 11 7 1 1/2 inches. Spoon tomato mixture over fish. Bake uncovered 25 to 30 minutes or until fish flakes easily with fork. Sprinkle with cilantro.  

Notes: